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And mostly, its just to put a face to all those familiar names we've been communicating with all these years.

If you consider yourself a serious collector and wish to be included, or wish to nominate an associate, I encourage you to do so.

Perhaps the most significant event during his reign was hi direction of the company toward public ownership in 1965, with the new attitudes and flexibility which this step created. Since then his collection has grown to about 80 rules, but he still has the Scholar. As farm management adviser in Western Australia, and regional farm management research economist in New South Wales, he favoured shirt pocket portability of Concise circular rules for field work. Fellow of the Oughtred Society and on its Board of Directors. It would remain popular for the next few centuries. When no work was available for the students participating in the MIT co-op program, he began the "Eshbach Handbook" project emplying young men, who had been laid off, to work on the project. (copyrighted) Kaspar Faber - (1730_1784) Original founder of what is now Faber-Castell. Sam began collecting slide rules in earnest several years ago, and has concentrated on large, classroom-sized rules, which now completely cover most open wall-space in his home office. Image from the South Kensington Science Museum Mort Hans - Collector. Contributor to the Journal of the Oughtred Society. He received his Ph D in 1931 from the University of Wisconsin for his thesis "On a Family of Integral Equations with Discontinuous Kernels".

Florian Cajori - (1859-1930) Emigrated to the United States from Switzerland in 1875. Contributing author to the Journal of the Oughtred Society. Serious researcher and collector since 1995, now with an eclectic mix of some 300 slide rules. s original website, advanced slide rule researcher and collector; has premier collections of 10 cm slide rules, Logarex slide rules, and Faber-Castell slide rules with addiators on the back. Specializes in collecting "long scale" and "decimal keeping" slide rules and their histories. Coggeshall first described this apparatus in a paper he released in London. His estate sale in Phoenix produced several unfinished slide rules. The result was the Handbook of Engineering Fundamentals published in 1936 as one of the Wiley series of handbooks. Keuffel were partners in the firm of Keuffel & Esser which was founded in July 1867. An engineer working for the Reiss company in Leipzig, and designed the Reiss Duplex 3227 slide rule (1965). (copyrighted) Georg Leonhard Faber - (1788-1839) Georg Leonhard Faber headed the pencil factory, of what is now faber-Castell, from 1810. The cabinet-maker Kaspar Faber produced his own pencils in Stein and sold them in the market at Nuremberg from 1761. Contributor of rare British slide rules scans for the ISRM galleries. I.) beginning in 1976, then for British Coal Coking Division in 1981 heading up the Civil Engineering Design Office. Author/Curator of Oak Ridge Associated Universities On-Line Museum. Radiologist with specialization in Nuclear Medicine. He first became interested in slide rules at age 13, as part of a Mathematics class unit in historical technology. He joined the University of Chicago School of Education as associate professor, then was appointed Professor of Mathematics and Education.

Adams was best known for A Treatise Describing the Construction and Explaining the Use of New Celestial and Terrestrial Globes (London: 1766). He first started an office stationery shop at Singel 24 in Amsterdam, under his mother's name. Ahrend soon expanded the range of goods carried to include drawing tables, drawing requisites, collotype machines (a precursor of the photocopier) and water levels. Educator and author of electronic books used in junior collegs, including Using the Slide Rule in Electronic Technology (1965) and Fundamental Circuit Ananysis 1983. First class FCC license and was a member of Institute of Radio Engineers and contributor Industrial Electronic Engineering. Known history: Albert John Anido was Born in Montevideo, Uruguay (1883). The 1914-1919 roll of service includes an Albert John Anido (sn 73845) of the Jerseymen of military age who fought in the First World War and the 21 March 1916 London Gazette lists the London Electrical Engineers: Corporal Albert John Anido to be Second Lieutenant (on probation) working with the anti-aircraft corps. Besides his slide rule patent, Albert Anido obtained GB 260,497 Indicating ringing of bells to operators in 1926. Member of IFHB, Oughtred Society, Scientific Instrument Society.

His unique design using a thin blade to keep the arms aligned when closed. In the 1920s, Ahrend started to sell office furniture and soon saw a rapid increase in the numbers sold. Mentioned as an elected student in the Journal of the Institution of Electrical Engineers, Volume 40 (1907-1908) page 411. Retired professor of didactics of mathematics, Ludwigsburg University of Education Germany. Author of Science fiction novels as well as math books including An Easy Introduction to the Slide Rule (1965).

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Although he used many index marks to help correct errors in the expansion of the film, the medium was hard to control. Member of UKSRC and contributing author to The Gazette and Slipstick. Beatley was a 1916 Harvard graduate and served in the U. Army from June 1917 to January 1919, attaining the rank of first lieutenant. The company was later renamed National Rechenwalze. Co-authored US Patent #1945140 Surgical Electrode issued Jan 30, 1934. Member of the Dutch Circle of Historical Calculating Instruments (KRING - Rekenlinialen). It is believed that Boos operated Acu-Design for a short time, independant of the Acu-Rule Company, to provide scale artwork to other slide rule manufacturers.

Frustrated with not finding a solution to this problem, he contemplated an alternative to the slide rule and the rest became history. Atanasoff II, Boulder, CO) Scans of his three slide rules at ISRM were provided by the Iowa State University Library, Atanasoff Archives. Colin Barnes - (1940-2016) Fordham, Cambridgeshire - England. Helped put together the display at the National Museum of Computing at Bletchley Park. On returning to Harvard he earned his doctorate in education in 1923, taught at Harvard, and rose to associate professor before leaving in 1933 to become president of Simmons College, a Boston technical school for girls. It was during the writing of his thesis in 1922 that he copyrighted the design of the Beatley I-Q Slide Rule, the year before he earned his doctorate. His slide rule book is downloadable in the ISRM library. His collection at Calculator Museum is focused on early Electronic calculators as well as slide rules. Bernard (Bernie) Carter Boykin - (1921-2011 ) Born in Ruxton, Maryland.

Colin Barnes started his working life as an apprentice in the shipyard of Vosper Ltd. He moved to the West Indies where he was the manager of a small shipyard before setting up his own construction and design business specialising in steel framed buildings and private housing. The slide calculator is an unusual single-purpose device for determining Intelligence Quotient (IQ) given a youngster's physical age and his mental age (apparently determined by a standardized test). The son of the English rule maker, Zachariah Becher I, began making rules in New York in 1821 and was joined by his brother, William, in 1825. Around 1843, manufacturing of rules moved to New Jersey and the firm went by the name Belcher & Bros. Hnas writes: "I collect early electronic calculators since beginning of 2001. He earned a BS degrees in Chemistry from Williams College in 1942/43 and another in Chemical Engineering from John Hopkins University in 1954.

Allan Bromley was an associate professor at the University of Sydney.

His main academic interest was the history of computers. Green - (1920-2014) - Professor Emeritus Univeristy of Florida. Before joining the UF faculty, Green had been a gunnery evaluation specialist and an operations analyst for the Army Air Force during World War II.

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