Fingertip

Fingertip System (Huey)

1 Gerätedaten

2 Weitere Bilder

The Fingertip (Muckermann)

The Fingertip System, Mappe (Muckermann)

The Fingertip, Detail (Muckermann)

The Fingertip, Mappe innen (Muckermann)

3 Literatur

From the "Index of Trademarks" issued from the United States Patent Office_ Vol. 937 (1937):
"Stiles, Dudley H., Doing business as Fingertip System Company, Kansas City. Portable accounting systems and supplementary computing attachments. 352,726; Dec 7 Class 37"

4 Patente

 siehe blauer Kasten unten

• Patent:...
  

5 Weblinks

• More images of the ProCalculo! family of machines can be found  here.

6 Seriennummern

• Seriennummern:
  
• Nummernlagen:
  

7 Allgemeine Anmerkungen

• It appears to be identical to Ve-Po-Ad adder. But, while identical in construction to the Ve-Po-Ad, the Fingertip (along with the NU AD Adder, the Addex and the Sumaster) were marked as from Kansas City, USA while the Ve-Po-Ad (and the Midget) were marked as made in Chicago. It is a possibility that these 'Kansas City adders' were actually supplied by Ve-Po-Ad just with different labels. This idea is supported by the use of a common instruction sheet among these adders.
• The Kansas City adders were often sold as part of an accounting system (with accounting journals and ledgers suitable for a small cash based business).
• See Serval System
• All of these adders (along with the Sum=Fix, the Multi-Sum and the Pocket Adding Machine are derived from the Pro Calculo!

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