- A
mainspring is a
spiral torsion spring of
metal ribbon—commonly
spring steel—used as a
power source in
mechanical watches, some clocks, and
other clockwork...
-
mainspring,
making manual winding unnecessary if worn enough. It is
distinguished from a
manual watch in that a
manual watch must have its
mainspring...
- to an
atomic clock via
radio waves. A
mechanical watch is
driven by a
mainspring which must be
wound either periodically by hand or via a self-winding...
-
clockwork motor consisting of a
mainspring, a
spiral torsion spring of
metal ribbon.
Energy is
stored in the
mainspring manually by
winding it up, turning...
- firearms, the
mainspring is a
spring in the
firing mechanism which stores the
energy required to
ignite the
primer of the cartridge. The
mainspring may be called...
- The
Mainspring is a 1916
American silent drama film
directed by Jack
Conway and
starring Ben F. Wilson,
Wilbur Higby and
Francelia Billington. Ben F. Wilson...
- watches. Many
sources also
erroneously credit him as the
inventor of the
mainspring.
Henlein grew up in Nuremberg. His
parents were Peter, a br**** forger...
- The
Mainspring of
Human Progress, by
Henry Grady Weaver, is a
libertarian history book
published in 1947 by
Talbot Books. In 1953, the
Foundation for Economic...
-
Mainspring gauges were used to
measure the
sizes of
watch mainsprings so that
replacement springs could be
ordered from a
supply house.
Mainsprings are...
-
secondary lever is
withdrawn from its
position and the
strong pull of the
mainspring pushes the
unsupported main sear back into the lock and the
wheel is free...
