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The Fuller calculator, sometimes called Fuller's cylindrical slide rule, is a cylindrical slide rule with a helical main scale taking 50 turns around the cylinder. This creates an instrument of considerable precision – it is equivalent to a traditional slide rule 25.40 metres (1,000 inches) long. It was invented in 1878 by George Fuller ...
Dollhouse for a dollhouse scale for 1:12 dollhouses. Commonly used for mini armor. Used for 12 mm, and 12.5 mm figure scale miniature wargaming. 1:128: 3 ⁄ 32 in: 2.381 mm A few rockets and some fit-in-the-box aircraft are made to this size. 1:120: 0.1 in: 2.54 mm: Model railways (TT) Derived from the scale of 1 inch equals 10 feet.TT model ...
For example, aligning the rightmost 1 on the C scale with 2 on the LL2 scale, 3 on the C scale lines up with 8 on the LL3 scale. To extract a cube root using a slide rule with only C/D and A/B scales, align 1 on the B cursor with the base number on the A scale (taking care as always to distinguish between the lower and upper halves of the A scale).
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Monroe Systems for Business is a provider of electric calculators, printers, and office accessories such as paper shredders to business clients. [1] Originally known as the Monroe Calculating Machine Company, it was founded in 1912 by Jay Randolph Monroe as a maker of adding machines and calculators based on a machine designed by Frank Stephen Baldwin.
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Comparison of Texas Instruments graphing calculators. From Wikipedia, the free encyclopedia. A graphing calculator is a class of hand-held calculator that is capable of plotting graphs and solving complex functions. There are several companies that manufacture models of graphing calculators. Texas Instruments is a major manufacturer.
Sumlock-Anita Electronics also assembled in Britain some of the Rockwell hand-held calculators, including Rockwell models 8R, 10R, 18R, 20R, 21R, 30R, 31R. The "Panaplex" is a gas-discharge display, using 7 segments to represent each number, within a thin glass "sandwich". The numerals glow amber.