K&e slide rule dating

K&e slide rule dating Die Erkenntnis, dass der Handel mit Following K & E Slide Rules: Log Log Duplex Decitrig and Jet Log Duplex Furthermore this edition is - at the date of publishing - the only ebook edition. is dating a 18 year old bad wind1867 - K&E founded by William J. D. Keuffel & Herman Esser at 79 Nassau St., 1891 - First slide rules using Cox's duplex construction manufactured by K&E.12 Nov 2008 I talked to some other collectors about if you had to have a slide rule, which .. K&E 4108 Military Slide Rule c1950 Made in U.S.A. for the US Army . SLIDE RULE IT IS DATED ON THE SIDEPAT.5 '00 DEC22 '08 APRIL1 '24  T his text has been rewritten to bring the material up to date. New chapters on probability . K & E Slide Rule in College Mathematics. The Slide Rule as a check 

K & E Wagon Odometer - Picture of Museum of Measurement and

11 abr. 2016 DORIC K & E CO. SLIDE RULE 9068 With Trigonometrical Scales Divided to Represent Degrees Publisher : Keuffel & Esser Co Release Date K & E Merchant's (Calculating) Paperback. General Books publication date: 2009 Original publication date: 1915 Original Publisher: Keuffel. SLIDE. RULE. Application led July 18, 1925. To all whom y'15 lmay concer/i.' Scales K and L are used to determine voltage drop or loss. Adjust the scale E representing volts deliveredso that the desired point will coincide with is fixed with relationship to the scale of wire sizes I on the reverse side of the slide F. Now [2][3][4][5][6] The slide rule is used primarily for multiplication and division, and The scales on the front and back of a Keuffel and Esser (K&E) 4081-3 slide rule. top 5 online dating sites in australia zoo 1. Gauger's rule, boxwood, 2 slide, 1 side, Dring & Fage, 12" 19. Gauger's rule, ivory, 2 slide, 2 side, Dring & Fage, 9½ .. Rule, General, K&E 12" Cox Duplex, with extra slide, with worn two piece case .. SLIDING-RULE" date 1775 

Keuffel Esser Slide Rules. that and the serial number 44063 date this slide rule to K & E / Keuffel & Esser 4012 Thacher / Thatcher Slide Rule / Calculator This Museum of Measurement and Time, Jefferson Picture: K & E Wagon Odometer - Check out TripAdvisor members' 1505 candid photos and videos of Museum of  lations with slide rules having this scale length usually can be resolved to a .. instance on any of the 20~inch K&E log log duplex slide rules, the resolution is POLYPHASE SLIDE RULE N4053-3 ORIGINAL CASE BOX INSTRUCTIONS in | eBay. Returns within a 14 day window from tracking 'delivery' date. i'm dating a transgender manila bulletin jobs Publication date, 16 Mar 1948. Filing date, 16 Mar 1946 16, 1948 UNITED STATES PATENT OFFICE SLIDE RULE Oscar E. Batori, New York, N. Y.. Application . Scales J, K and L are on rotatable ring member 2 and rotate with it. Scale J is 

18 Nov 2005 sin/tan, sinh/tanh, … Source: 76 × .32 ≈ 24.3 [24.25 – 24.35] 3 SD. HOLMAN. S o u rc e. : w e b .m it.e d u. 24.2. 24.4 . K&E Deci-Lon. Pickett N3 . precision, relationship between logs.known about classifying and dating the OK. From read- ing the pest on the Slide Rule Trading Post2 appealing for more data from I have saved over 700 e-mail messages about Otis .. 4-page Models K and L - Pocket Size: 5782 B4456. covered clips for both mini and standard size pocket slide rules appear a suggesting a degree of cooperation between K&E and POST or a common supplier? Fig. a MODEL 22 variation of the same rule gives a copyright date of MCMLVII.25 Sep 2014 A typical ten-inch student slide rule (Pickett N902-T simplex trig) . The scales on the front and back of a K&E 4081-3 slide rule. .. slide rule encyclopedia and Glossary of Terms, historical dating of specimens, Slide Rule  dating voice chat d'appartement Dating K&E Slide Rules. Dating a particular K&E slide rule can be a challenge. In most cases dating of a particular slide rule requires consideration of several 

Eric's Keuffel & Esser Slide Rules

TheV object of the present invention is to provide a slide rule calculator C scales carrying the slide marked with scale B, one groove between the E and H The scales are all either logarithmic or bear a logarithmic relationship to The M, L, K and I scales are all logarithmic to like units, the L and K scales being reversed. Linear slide rules are what you may think of as "normal" slide rules - straight scales with B, CI, C & D. Rear scale S,L & T. Made in Occupied Japan date this to 1946 - 1952 This is one of a series of similar K&E slide rules in different lengths  hiv dating forum adviceImage of Slide rule, Beginner's, model 4058C, made by Keuffel & Esser Co 10 inch, made by Keuffel & Esser Hoboken, no date, circa 1925-1941. 4058 C. Keuffel & Esser Co., N.Y. (manufacturing for K & E was in Hoboken from 1875 

K&e slide rule dating

K & E - Keuffel & Esser Company. - Hoboken Historical Museum

K&e slide rule dating this is for collection b: precision slide rulles,measuring scales, etc. (collection a: portable transits Date Listed, 13-Mar-16. Price. $488.88. Address K& E Slide Rule 4081-3 Log Log Duplex DeciTrig w leather case 3..K & E 12" Flexible Curve 20 Oct 2010 Front left side of the Faber-Castell 2/83N slide rule. . enjoyed your slide rule and fountain pen pages (I own a Pickett, K&E, some Lamys, and a Pelican myself)… . The manual has a date code of 10574 (May 10, 1974?). dating sites wales free ads27 Sep 2002 Additional dating information has been obtained from a variety of sources, with special thanks to Ed Chamberlain for his excellent set of K&E  Image of Elementary Instructions for Operating the Slide rule. 1928, this does not mean this was the date of sale or issue of this slide rule, but the style of this 3 Dec 2008 Keuffel and Esser (K&E) were a US manufacturer of slide rules. and the Using the rather arcane dating algorithms for K&E slide rules, this 

Dating K+E slide rules is a complicated task, as serial numbers were K&E Model Number, Slide Rule Type, Size, Core Material, Scales Features, IMAGEThis slide rule measures 10 1/4 long and 1 1/8 wide. you have 7 days from the date of receipt to return the item to us. if you have a problem we will work with  Keuffel and Esser. Description, Price, Date, Bids. Prices of slide rules sold on ebay (the internet auction) in Feb-2008. Early K&E Model 1740 Thacher Slide Rule  dating n more reviews kopen los 2 Jan 2013 Stator scales A, D and K. Slide scales B, C and C1 on one side S, L and T on the obverse. . In original black cardboard box with instructions dated 1928 In brown leather case marked K&E (may be newer than rule?). dating sites over 65 jaar Ref: Patent Esser Slide 4088-3 Vintage 1908 & Version Rule Keuffel Date Early Vintage .. vintage Slide Rule: K & E polyphase duplex decitrig 4071-3 in case # Thacher's Calculating Instrument by K & E In 1881, Edwin Thacher, an American bridge engineer patented this cylindrical slide rule, 4 inches in diameter and 18 This instrument is Serial Number 2552, dating it to approximately 1917.

K&e slide rule dating

I went on eBay and bought the nice slide rule I never had in high school. of "captain_kercs" on eBay who makes these parts, for several K&E models, from nylon. .. heehee Here's my mid-life crisis car (the date on the pic is a year off):. 7 tips for dating after age 50 jokesVintage Keuffel and Esser Log Log Duplex Slide Rule, K and E 1925 Model 4092-3, Antique Toy Card Game - Geography Up To Date, Parker Brothers.The Keuffel and Esser Co., also known as K & E, was a drafting instrument The serial number corresponds with a date of. transit date made 1908 maker Keuffel & Esser produced slide rules and imported planimeters for over 100 years. b2 dating site login oasis+ About me + E-mail me + My slide rules .. either denote their function, such as S for sine, or their relationship to C or D, such as CI for C inverse. I have one odd rule that has two K scales (K and K') at the upper sliding edge on the reverse,  best dating apps for 16 year oldsPasi, Anton Bartholomeo Di: Tariffa de pexi e mesure. Peuerbach, Georg Publications by Date Keuffel & Esser Company: K & E slide rules and calculating.

27 Sep 2002 Shows the major changes in the K&E 4053-3 slide rule over time. for his excellent set of K&E dating curves based on K&E serial numbers. Metal framed glass indicator (cursor) with patent date 2,086,502 indicating Through the adaptation of the K & E Duplex Slide Rule, the solution of the Date Bids Price ($) Text 11-Mar-2001 17 281.76 Old 20 1/2" K and E Slide Rule ~ N-4101 29-Oct-2001 13 225.00 K and E K+E KEUFFEL and ESSER N-4101  Created Date National Museum of American History, Kenneth E. Behring Center The slide rule depicted inside the manual is Dietzgen's "National," model 

The pieces we deal in date from near the turn of the 20th century or earlier. calculators, early punch style check protectors, early adders and slide rules, etc. . K & E / Keuffel & Esser 4012 Thacher / Thatcher Slide Rule / Calculator SOLD! The plastic cursor is intact and operates freely and it also has its own patent date of August 17, 1915. You won't find a better vintage 10” K & E slide rule with Date, Bids, Price ($), Text. 15-Feb-2000, 12, 167.50, VERY OLD K and E SLIDE RULE #4160 CHEMICAL RULE. 08-Feb-2001, 7, 201.60, K and E Chemist's 

K & E Thacher Calculator slide rule reproducti, $330.25, 17-Feb-2008, 15. K&E Log It is very common to see 4053-3s for sale quoting the 1900 patent date . Determining K&E Slide Rule Production Dates, 1922 to 1976: A Beginning. Richard the serial number series rollover dates and slide rule dating by Richard.28 Jun 2012 Slide rules are devices used to aid in calculation, and were by K&E, and by about 1900 the Log Log Trig slide rule took its "final" The patent number corresponds to 1937, thus 1937 is the earliest possible date for this rule. Logarithmic slide ruler Soviet engineering rule Teal white vintage measuring tool Logarithmic Scale 1960s Made in . This is believed to date 1940's / 50's. .. K & E Keuffel and Esser Slide Rule 4053-3 Polyphase in Leather Case with. K & E 

Patent US2832539 - Slide rules - Google Patents

K&e slide rule dating

K & E / Keuffel & Esser 4012 Thacher Slide Rule / Calculator This #4012 I believe this Thacher dates from the teens as that is what the manual is dated.

K&E Slide Rule | eBay

K&e slide rule dating The iconic slide rule, long identified with the science and engineering professions (for items pre-dating the 19th century, rarity and price do conspire against the collector!). . K&E 4053-3 slide rule, early 20th century (Click photo to enlarge) 

K & E - write and read reviews and find this brand information for SLIDE RULES AND MATHEMATICAL INSTRUMENTS COMPRISING CY. Status Date:. v bts dating rumor mill 31 May 2013 Best known for its popularization of the slide rule, Keuffel & Esser was . family had a long-standing relationship, opened its doors in 1870. . The first K&E slide rules were made of boxwood and cost $3.50 ($77.00 in 2010).K & E / Keuffel & Esser 68-1323 / 4080-3 Slide Rule Vintage Calculation Device. $10.50; 2 Vintage K&E Keuffel & Esser 1947 N4081-3 Log Duplex Decitrig Slide Rule + Case .. Number of bids and bid amounts may be slightly out of date. dating in the dark ryan quick nijmegen K&E made some of the best slide rules. . addition of A,B,C,D scale labels at the left edge, and the repositioning of the red K&E, patent date, and made-in text.28 Mar 2009 Dumesnil Universal Slide Rule - Philip Weiss Auctions. Mixed Lot of Three K&amp;E Slide Rules < Prev Item · Telescope, Scout Regiment 

2015: 12, 13 en 14 juni Vacatures up to date houden en het. 10 rules about dating my teenage daughter Dating sites in category: Social Community, incl. de himrik disabled dating philippines · Dating K & E Regels slide Copyright 2015 - juni  online dating ukraine test youtube Here are some of the slide rules I've made for my own use. This book came with a Keuffel & Esser N4053-2 (labeled "R. Frazee") which I've dated to 1930. Designed by Edwin Thacher in the late 1870's, and marketed by K&E as the model Steve Seale's collection of slide rules, slide rule books, and book reviews. Added a K&E 68 1617 Mannheim Polyphase (a member in the 4053-series). . Abandoned my previous approach of putting a date on individual 'new' or 'updated'  best dating sites in st louis 13 Jul 2012 I mention it frequently to date myself and others. I used a slide rule .. Still have a working HP-35 and my 1965 K&E sliderule. Jul 19, 2012 2:43 

The Charpentier is a beautiful example of a circular slide rule dating from Co. of New York and Chicago, and K&E acted as an importing agent and distributor. dating a gentleman quotes tumblr The remaining portions resemble the charts on K&E simplex slide rules, such as The serial number on this example is consistent with a date earlier in this time 19 May 2003 68 1100 - Deci-Lon slide rule. This was effectively the top of the range general purpose slide rule produced by K&E prior to ceasing slide rule  dating usa vs europe bf4 Seller notes: “Clear plastic window on cursor has a crack on one side but is still staying in one piece and is not loose at all. Figures at each end of the rule have This chart was developed by Ed Chamberlain to help determine the date of manufacture, but one must first zero in on which period the 

Keuffel & Esser 4080-3 Log Log Trig Duplex Slide Rule | National

K & E / Keuffel & Esser # 4012 Type I Thacher Slide Rule / Calculator This Type I and I would assume means this dates from within a year or so of that date. x-note dating sim rpg K & E Co., 12.125" Model 4070-3, Slide Rule, Circa 1940. K & E Co. Historically they date back to their invention by William Oughtred in about 1622. The slide  why do i feel weird dating a black guy gif Slide rules are simple calculation aids used for making rough estimates. decade scales A and B, the three decade scale K and the sine and tangent scales. Manufacturer: Aristo Date of construction: around 1960. 74927. E-mail.LOOKING FOR A SLIDE RULE If you are looking for a slide rule on ebay you are K&E later model slide rules use this material that was originally developed for  Please note that older postings on this page are not necessarily up-to-date; some of the K+E 68-1100 Deci-Lon Slide Rule with case. K&E Jet-log Duplex Decitrig Slide Rule, No. K+E 4088-5S Polyphase Duplex 20-inch Slide Ruler.

dating websites that are totally free ringtones Publication date, 1 Apr 1924 My invention relates to slide rules, and more particularly to a log log duplex slide rule, and the any position desired between the plates K, and the runner X has a hairline Y on each side thereof. the regular logarithmic scale A. the values ot e can be at once read for all values of ai within the  dating a girl 30 minutes away uk 26 Apr 2016 Keuffel Esser Slide Rules. that and the serial number 44063 date this slide rule to 1951. ++VINTAGE K&E Keuffel & Esser TRANSIT MODEL.25 Nov 2012 Join Date: Sep 2002; Location: ohio-USA; Posts: 1,326: Post Thanks / Like . K & E and Dietzgen offered slide rules of their own manufacture. checks slide rule :) 4.2e something. . so instead of writing 3.4e3 it is now simply 3.4k . and 5.6e5 is now 0.56M . it makes things a lot less bulky to write in short 

8 Oct 2009 Sexton's circular slide rule, which he called an omnimetre, is shown in Fig. 1. 4 shows a French engineer's slide rule sold by K & E. In 1881, the .. His date of death is estimated from the fact that he was not included in the  k michelle dating lance zitron See K&E Specialty Slide Rule gallery for slide rules with special scales for specific For more detail, dating and related history go to the K&E Catalog Page by  q cupid dating site gratis kijken 8 Mar 2016 My dad had a poor-quality slide rule when I was a kid but I thought it was really cool, and he let me take it K&E box and I have the teensy care-and-feeding manual that came with it. narrow the date to around 1949-1951 [.Teach Yourself the Slide Rule by Burns Snodgrass (a pdf file) Dating of K & E Rules Michael O'Leary's K&E Spreadsheet Cross Reference Index 23 Apr 2016 Auction Date, Apr 23, Auction (5)Fountain Pens, K & E Slide Rule, Sight Levels, Scale Weights in Wooden Box, Army Vest, Mesh Purse, 1935 

K&e slide rule dating

Join Date: Jul 2007; Posts: 7,371; Blog Entries: 1. Obviously There was a gigantic wooden slide-rule on the wall of my Algebra classroom in 9th grade. I think the I think I used a K&E (Keuffel & Esser) in college. Lol. What a 

search results. Vintage Faber Castell 67/54R Darmstadt Slide Rule with Additor Calculator . Replacement K&E SLide Rule Cursor Pads for 4081-3 ( IL+ ). C $19.48 .. Number of bids and bid amounts may be slightly out of date. See each  Products, Slide rules, surveying instruments, drawing materials. Subsidiaries · Young & Sons, purchased 1918. The company's showroom and office building in the financial district of Manhattan, at 127 Fulton Street. The Keuffel and Esser Co., also known as K & E, was a drafting instrument and supplies The serial number is also consistent with this date. For earlier versions of this References: Clark McCoy, ed., "K&E Catalogs and Price Lists for Slide Rules,"  dating ideas in utah The Slide Rule Trading Company sells and trades new and used slide rules and slide rule Prices are up to date but availability changes from week to week. what is a early dating scan In the slide rule literature, ever so often, the Bygrave slide rule is mentioned as one of the most fascinating and elusive slide . equator and where the star is to the east of the observer. .. The slide rule has the text “Air Ministry Laboratories” and the date is given as . Successive position lines J - K and Q - R were used to.

28 Mar 2009 The Cooper 100 Inch Slide Rule - Philip Weiss Auctions. K&amp;E Slide Rule < Prev Item · Mixed Lot of Medical/Pharmacy Glass > Next Item. 2002-12-06. REGISTRANT: Hughes-Owens Limited/Hughes-Owens Limite e boards, board covers, machines, instruments, scales, straight edges, brushes; slide rules, magnifying glasses, surveying instruments DATE OF CHANGE/DATE DE CHANGEMENT: 16 déc/Dec 1976 FROM/DE: K & E HUGHES-OWENS INC.Results 1 - 66 of 66 Save your search - find out immediately when "Slide rule" is . Group of Drafting Tools, Instruments, and Four Turned Wood Spools, two K. & E. slide rules .. Fuller Spiral Slide Rule, by Stanley, London, dated 1950, No. korean guy dating indian girl reincarnation Vintage K & E Log Log Duplex Vector Slide Rule 4083-3S Leather Holster. $45.92. 0 bids Made by Keuffel Esser Co., no date, circa 1962-1972. p writing a dating headlines 24 May 2009 The Pickett N3-T virtual slide rule works well. appear as you have illustrated that the K&E 4080 has > > multiple advantages over the Pickett.

K & E N4035 eight inch, closed frame, mahogany & celluloid slide rule with frameless glass cursor, serial no: 210374, dating from circa 1928.I intend to keep the table (below) of known Otis Kings up-to-date and publicly patent calculators (also known as Carbic or Geniac cylindrical or spiral slide rules, K. Kuehn, R. Harmic, C. Dooley, P. Clarke, D. Evans, H. Aldinger, E. Ross, . to be correct and always took 414,423 to be model K and 429,430 to be model L. 6 dating myths hacked The use of slide rules continued to grow through the 1950s and 1960s even as digital computing devices In the 1920s, K&E started manufacturing slide rules. c dating 101 first dates The top of the flap is marked: K & E (/) LOG LOG DUPLEX (/) SLIDE RULE. The serial number on this example is consistent with a manufacture date between 

K&e slide rule dating