Patent:GB246134

From the great encyclopedia of mechanical calculating


Patent:GB 246134
Title:Improvements in Calculating Devices.
Date:15.01.1925
Place:FriedrichCarl-Strasse 4, Wannsee, Deutschland
Country:Great Britain
Person:Bergmann, Jean (P)
Company:
Internal Links:Universal Calculator
Keywords:
Link to the patent office:
(without guarantee)
 GB246134 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=GB246134)


Enlarge

Aus der Patentschrift GB246134

"Adding and subtracting apparatus combined with a book of multiplication &c. tables. " ( GB246134 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=GB246134))

Retrieved from "http://www.rechnerlexikon.de/en/wiki.phtml?title=Patent:GB246134"
This page was last modified 20:09, 30. Oct 2007.