- for what was
named MicroGroove Rifling,
which was a
departure from the
standard "Ballard," or cut rifling. One
purpose of
Microgroove rifling was to increase...
- 33+1⁄3 rpm; a 12- or 10-inch (30- or 25-cm) diameter; use of the "
microgroove"
groove specification; and a
vinyl (a
copolymer of
vinyl chloride acetate)...
-
condenser coils are
smaller and lighter. With
MicroGroove technology, heat
transfer is
enhanced by
grooving the
inside surface of the tube. This increases...
- separation. Thin,
closely spaced spiral grooves that
allow for
increased playing time on a 33+1⁄3 rpm
microgroove LP lead to a
tinny pre-echo
warning of...
- ****ociated, BBC, NAB, Orthacoustic, World,
Columbia LP, FFRR-78 and
microgroove, and AES. The
obvious consequence was that
different reproduction results...
- "
micro-
grooved" and the
newer "Ballard"
style barrels. This
bullet diameter is
dictated more by the
large diameter of
chamber throats than by
groove diameter...
-
Marlin changed the .357 and .44
barrels from 12-
groove-or-more "
Micro-
Groove"
rifling to 6-
groove "Ballard"-style rifling. The
Model 1894 is produced...
- most po****r
rifle of its kind in the world.
Major features include a
micro-
groove barrel, a cross-bolt safety,
hardwood stock with
Monte Carlo comb, and...
- the
evaporators and
condensers coils are
smaller and lighter.
MicroGroove uses a
grooved inner surface of the tube to
increase the
surface to
volume ratio...
-
practice or pest
control with less
noise than a .22 Long Rifle. Its
microgroove barrel makes it
highly accurate at
longer distances compared to most...