Fearns Production Time & Scheduling Calculator for Injection Molding
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This circular slide rule has additional marking to allow you to calculate production time based on parts per cycle, cycle time, total number of parts, and multiple tooling. It can also be used in reverse to determine production details given a required completion time. The reverse side is used for calculating addition and subtraction of dates. A slide rule is a mechanical analogue computer which was one of the primary methods of calculation up until the mid-20th Century with the introduction of the desktop calculator and electronic computers. They were used for calculations including multiplication and division, as well as functions such as exponents, roots, logarithms, and trigonometry. Manufacturer: Fearns Calculators This exhibit has a reference ID of CH34356. Please quote this reference ID in any communication with the Centre for Computing History. |
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