- the Triolian, but made only 12 of them. They
changed the body
meant for
tricones to single-cone models, but kept the name. In 1928,
Dopyera left National...
-
resonator cone, was
introduced to
compete with the
patented inward-facing
tricone and
biscuit designs produced by the
National String Instrument Corporation...
- and
Kimberlite Research.
Tricone bit for well
drilling (medium worn-out) PDC bit for well
drilling Multiple Tricone Bits
Tricone Bit
Drill Bit
Damaged Drill...
- An eight-string
baritone tricone resonator guitar...
- and sold them
under their National brand. They had
metal bodies and a
tricone resonator system, with
three aluminium cones joined by a T-shaped aluminium...
-
National Reso-Phonic
Guitars In the
context of
stringed instruments, the
tricone and
biscuit designs promoted by the
National String Instrument Corporation...
-
weight balance. The
material was used in the
construction of the
National tricone resophonic guitar. The
frets of guitar, mandolin, banjo, b****, and related...
- A
tricone roller cone ****embly from a
raiseboring reamer,
showing the
protruding tungsten carbide buttons inset into the rollers...
-
gravity of 4.2 or greater, is soft
enough to not
damage the
bearings of a
tricone drill bit, is
chemically inert, and
contains no more than 250 milligrams...
-
after his father's
death in 1924. In 1933, the
company introduced the
Tricone drill bit.
Through the 1950s and 1960s,
Hughes Tool
Company remained a...
