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2. Royal Typewriter Company - Wikipedia

   en.wikipedia.org/wiki/Royal_Typewriter_Company

   Now known as Royal Consumer Information Products Inc., Royal’s product line has evolved to include cash registers, shredders, personal digital assistants (PDAs)/electronic organizers, postal scales, weather stations, and a wide range of original and compatible/remanufactured imaging supplies supporting today’s most popular printers, faxes ...

3. Cash register - Wikipedia

   en.wikipedia.org/wiki/Cash_register

   A cash register, sometimes called a till or automated money handling system, is a mechanical or electronic device for registering and calculating transactions at a point of sale. It is usually attached to a drawer for storing cash and other valuables. A modern cash register is usually attached to a printer that can print out receipts for record ...

4. LGP-30 - Wikipedia

   en.wikipedia.org/wiki/LGP-30

   The LGP-30, standing for Librascope General Purpose and then Librascope General Precision, is an early off-the-shelf computer. It was manufactured by the Librascope company of Glendale, California (a division of General Precision Inc. ), and sold and serviced by the Royal Precision Electronic Computer Company, a joint venture with the Royal ...

5. Charles F. Kettering - Wikipedia

   en.wikipedia.org/wiki/Charles_F._Kettering

   Charles Franklin Kettering (August 29, 1876 – November 25, 1958) sometimes known as Charles Fredrick Kettering [1] was an American inventor, engineer, businessman, and the holder of 186 patents. [2] He was a founder of Delco, and was head of research at General Motors from 1920 to 1947.

6. Mechanical calculator - Wikipedia

   en.wikipedia.org/wiki/Mechanical_calculator

   This picture shows clockwise from top left: An Arithmometer, a Comptometer, a Dalton adding machine, a Sundstrand, and an Odhner Arithmometer. A mechanical calculator, or calculating machine, is a mechanical device used to perform the basic operations of arithmetic automatically, or (historically) a simulation such as an analog computer or a ...

7. Fiscal memory device - Wikipedia

   en.wikipedia.org/wiki/Fiscal_memory_device

   Fiscal memory devices are electronic devices used to record sales tax owed to a country. All such devices contain fiscal memory: a piece of equipment that connects to a sales point terminal and records taxation for public revenue. [2] Fiscal memory is a memory device that is certified by an appropriate government body.