- resistance, and its
geometry partly compensated for
thermal expansion error due to
temperature changes.
These early balance wheels were
crude timekeepers because...
-
bimetallic temperature compensated balance wheel invented in 1765 by
Pierre Le Roy and
improved by
Thomas Earnshaw. This type of
balance wheel had two semicircular...
-
metallic stainless steel four arm
balance with gold
eccentric adjusting weights.
Overcoil temperature compensated balance spring with
isochronal adjusting...
-
around an axis of rotation. A
rotating m****, or rotor, is said to be out of
balance when its
center of m**** (inertia axis) is out of
alignment with the center...
-
Chronometers and
precision watches required complex temperature-
compensated balance wheels for
accurate timekeeping.
Springs made of Elinvar, and other...
- A
balance spring, or hairspring, is a
spring attached to the
balance wheel in
mechanical timepieces. It
causes the
balance wheel to
oscillate with a resonant...
- friction, the
Roberval balance is
consistently less
accurate than the
traditional beam
balance, but for many
purposes this is
compensated for by its usability...
- In
international economics, the
balance of
payments (also
known as
balance of
international payments and
abbreviated BOP or BoP) of a
country is the difference...
-
introduction of the
detent chronometer escapement with a
temperature compensated balance, very
close rates could be
achieved in
marine chronometers and to...
- An
analytical balance (or
chemical balance) is a
class of
balance designed to
measure small m**** in the sub-milligram range. The
measuring pan of an analytical...