Dating faber castell slide rules

dating faber castell slide rules-87
Although there is no model number on this rule, it was sold as model 367 from 1905 to 1913. This slide rule reflects the rich intermixture of cultures that characterizes the American mathematical community. Archibald (1875–1955), a Canadian born in Nova Scotia. Faber's calculating rule," the form of the slide rule catalogued here.

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Because of the flat bottom to the hole, they are useful for drilling through veneer already glued to add an inlay.

Forstner bits were invented and patented by Benjamin Forstner in 1874.

1874 Forstner bit Forstner bits, also known as Forstner flange bits or webfoot augers, bore precise, flat-bottomed holes in wood, in any orientation with respect to the wood grain.

Forstner bits can cut on the edge of a block of wood, and can cut overlapping holes.

1874 Spork A spork or a foon is a hybrid form of cutlery taking the form of a spoon-like shallow scoop with three or four fork tines. A jockstrap consists of a waistband (usually elastic) with a support pouch for the genitalia and two elastic straps affixed to the base of the pouch and to the left and right sides of the waistband at the hip.

The spork is a portmanteau word combining spoon and fork. The jockstrap has been part of men's undergarments since 1874 when it was invented by C. Bennett of Chicago to protect and support bicycle riders (back then they were known as "jockeys") who were navigating the cobblestone streets common to the era. Then, like several other late 19th- and early 20th-century North American mathematicians, Archibald traveled to Germany, spending the academic year 1898–1899 at the University of Berlin and 1899–1900 at the University of Strasbourg. Archibald then returned to Canada, where he taught for several years before joining the faculty of Brown University in Providence, R. He remained at Brown for the rest of his academic career. The firm was renamed Faber-Castell in 1905, although instruments continued to be marked "A. He began his college education in Canada and completed a bachelor's and a master's degree from Harvard University in Cambridge, Mass. in Strasbourg in 1900 and may have purchased this slide rule near the end of this European sojourn. This work is undated, but it refers to a prize awarded to Faber at the Exposition universelle held in Paris in 1900. My rule is complete with leather slip case which has a promotional logo transfer on it for Weigel Optik vorm. To view United States inventions from other historical time periods, please see Timeline of United States inventions (1890–1945), Timeline of United States inventions (1946–1991), and Timeline of United States inventions (after 1991).Early Levis, called "waist overalls", came in a brown canvas duck fabric and a heavy blue denim fabric.His business became extremely successful, revolutionizing the apparel industry.Underneath the slide is a third centimeter scale, numbered from 30 to 55. The rule is in a cardboard case covered with black leather. Also known as a Janney coupler and the buckeye coupler, the knuckle coupler is the derivative of a coupling device that links and connects rolling railway cars such as passenger, refrigerator, freight, and stock cars together on railroad track.The knuckle coupler have a bifurcated drawhead and a revolving hook, which, when brought in contact with another coupler, automatically interlocks with its mate.


Comments Dating faber castell slide rules

  • Faber Castell 375

    Although fairly early this rule shows, in some ways, the variation in the Rietz. On this rule the log scale is on the bottom of the stock and the reverse of the slide has. In 1920 Faber Castell started marking the date on their rules as the year.…

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    Date, Bids, Price $, Text. 09-Mar-2000, 9, 68.60, AW Faber Castell Slide Rule 1/54 Darmstadt. 12-Mar-2000, 3, 13.04, FABER CASTELL BRAND NEW SLIDE.…

  • The Appeal of Slide Rules - For Use and as Collectables.

    I have a fond affection for slide rules—when studying the sciences at high. The Faber-Castell 2/83N Novo-Duplex upper face—serious firepower on a slide rule. Hemmi used two letter date codes, this one 'FG', which allows it to be dated.…

  • Faber-Castell Student 10 inch Rietz No 57/87 Slide Rule - Computing.

    The Faber-Castell 57/87 Student Rietz is a ten inch closed frame plastic slide rule dated 3/65. It has a clear plastic case and instructions. Scales are inK,A{B,C1.…

  • Faber Castell - 2/83N

    This was one of the last rules produced by Faber Castell and could be considered the culmination of the development of the slide rule by one of Europe's leading manufacturers. It is a duplex rule with. Manufacturing date, 1974. Length, 10".…

  • Early A. W. Faber Slide Rule c1900

    Computing Instruments - Early A. W. Faber Slide Rule. Maker A. W. Faber; Date c1900; Description and Notes. In addition, the company's name was changed from A. W. Faber to A. W. Faber-Castell in 1905, although the trademark.…

  • Engineers in Tights. - Slide Rules

    Faber-Castell 57/74 System Schirdewan – early origins. In 1952 F-C switched. Nestler slide rules can be tricky to date but as this pocket slide rule is made of.…

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