- stones.
There are two main
types of rock
tumbling:
barrel (rotary)
tumbling, and
vibratory tumbling.
Rotary tumbling is more common, simpler,
quieter and...
-
Magnetic field-****isted
finishing Etching Linishing M****
finishing Tumbling (
barrel finishing)
Spindle finishing Vibratory finishing Plating Polishing...
-
firearms had
smoothly bored barrels that
fired projectiles without significant spin. To
minimize inaccuracy-inducing
tumbling during flight,
their projectiles...
- for
helical grooves machined into the
internal surface of a firearms's
barrel for
imparting a spin to a
projectile to
improve its
aerodynamic stability...
- A
rifle is a long-
barreled firearm designed for
accurate shooting and
higher stopping power, with a
barrel that has a
helical pattern of
grooves (rifling)...
- The "
barrel hitch" and "
barrel sling",
named for
their use in
hoisting cargo aboard ships, are two
simple yet
effective ways to
suspend an object. The...
- to
tumble. The
closer a
pellet gets to the
speed of sound, the more
unstable it becomes. This is a
problem for high-powered "magnum" break-
barrel and...
- 446,988 U.S.
Patent No. RE7,499 U.S.
Patent no. 702,040, "Sand-blast
tumbling barrel" (attributed to "Benjamin C.
Tilghman Jr.") U.S.
patent No. 416,873...
- autorotational,
tumbling figures. In all varieties, the
aircraft appears to
tumble out of control. For example, one
style involves the
aircraft tumbling (simultaneously)...
- a scattergun, peppergun, or
historically as a
fowling piece) is a long-
barreled firearm designed to
shoot a straight-walled
cartridge known as a shots****...
