Rechnerlexikon
Die große Enzyklopädie des mechanischen Rechnens
216.73.216.43 |
Log in
|
Help
DE
EN
FR
IT
Main Page
All pages
Recent changes
Printable version
Discuss article
article
image
patent
Special pages
Patents
France
Patent:FR194952
Patent:
FR 194952
Title:
Machine à additionner perfectionnée
Date:
22.12.1888
Place:
Chicago,
USA
Country:
France
Person:
Felt, Dorr E.
(
P
),
Tarrant, Robert
(
P
)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
FR194952
Patent