- 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...
-
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...
- 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...
-
inventor of the
detent escapement, the temperature-
compensated balance and the
isochronous balance spring. His
developments are
considered as the foundation...
-
incorporated a
detent escapement, the temperature-
compensated balance and the
isochronous balance spring:
Harrison showed the
possibility of
having a...
- 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...
- from
temperature changes, was
solved by the
bimetallic temperature-
compensated balance wheel invented in 1765 by
Pierre Le Roy and
improved by
Thomas Earnshaw...
