English: The torsion balance made by the United States Torsion Balance and Scale Company of New York is a counter machine made with out knife-edges.
Датум
published 1911
Извор
1911 Encyclopædia Britannica, Vol. 28, pg. 470.
Аутор
НепознатUnknown author
Лиценцирање
Public domainPublic domainfalsefalse
This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.
Натписи
Укратко објашњење шта ова датотека представља/приказује