- A
mechanical calculator, or
calculating machine, is a
mechanical device used to
perform the
basic operations of
arithmetic automatically, or (historically)...
- S2CIDÂ 28216043. In 1893, the
German calculating machine inventor Arthur Burkhardt was
asked to put
Leibniz machine in
operating condition if possible....
-
sophisticated electrical machines did
specialized analog calculations in the
early 20th century. The
first digital electronic calculating machines were developed...
- article:
Astronomische Nachrichten/Volume 46/On Mr. Babbage's new
machine for
calculating and
printing mathematical and
astronomical tables The
notion of...
- The
Marchant Calculating Machine Company was
founded in 1911 by
Rodney and
Alfred Marchant in Oakland, California. The
company built mechanical, and then...
- years: the
Nippon Calculating Machine Corp, Ltd and
subsequently Broughtons & Co. (Bristol) Ltd of the UK. The
Nippon Calculating Machine Corp was incorporated...
- Grant's
calculating machine business was
known as "Grant
Calculating Machine Company of Lexington, M****".
Although Grant's
sales of
calculating machines were...
- Missouri. U.S.
patent 388,116
Calculating-
machine.
Filed January 1885,
issued August 1888. U.S.
patent 388,117
Calculating-
machine.
Filed August 1885, issued...
-
rights to make and sell
calculating machines in France. By 1654 he had sold
about twenty machines (only nine of
those twenty machines are
known to
exist today)...
- Quevedo,
inspired by Babbage,
designed a
theoretical electromechanical calculating machine which was to be
controlled by a read-only program. The
paper also...