CHARLES Z FISH'S
PRE-WAR GIBSON
BANJOS
RB-00
The Gibson Company introduced its first banjo, a plain tenor model, in 1918.
Gibson banjos were designated with letters to correspond to the type of
instrument. Tenor banjos were designated TB, plectrum banjos PB, guitar banjos
GB, mandolin banjos MB, and regular, or 5-string banjos RB. Banjos with a string
scale length halfway between that of a tenor and a plectrum were made for a brief
period in the late 1920's and were called plectrum tenors, or PT. Ukelele banjos
were designated UB and cello banjos CB.
The letters were followed by a number corresponding to the grade or quality of the
instrument. Style 00 was at the bottom of the line. Style 0 was next, then 1. Style
11 (double one) was a later inexpensive model. Style 2 had fancier inlays and extra
binding. Style 3 had more of the same. Style 4 was fancier yet, and style 5 had gold
plating, elaborate inlays and other appointments and was the fanciest model until
1925. Beginning in that year Gibson introduced several high end banjos, including
style 6, the Granada, the
Bella Voce and the Florentine. The most elaborate banjo
of all, with a three-dimensional carved eagle on the peghead and painted scenes
depicting  American history on the fingerboard, was named the All-American and
was introduced in 1930.
The RB-00 was the lowest-priced resonator banjo in the
pre-World War II era. This is a regular (5-string) banjo
and was manufactured between 1935 and 1942. It has no
serial number and cannot be dated exactly. The list
price in the Gibson catalogues was $30.00.
The banjo has a maple neck and resonator with a
sunburst finish. The resonator is "single-bound,"
with white celluloid binding on the back edge only.
The peghead shape is unique to
style 00 and tapers to a point. It
has a dark shaded walnut finish.
The Gibson logo is silkscreened
in white rather than being inlaid
in mother of pearl.
The fingerboard, or
fretboard, is made of
Brazilian rosewood and
has one dot inlay at frets
5, 7 and 10, and a
two-dot inlay at fret 12.
The "pot" has a cast white metal, one-piece flange.
Three threaded thumbscrews pass through brackets
attached to the flange and seat in wall lugs set in the
resonator.
The Grover tuners and
tailpiece are original. The
nickel plating shows wear.
The tension hoop, or stretcher
band, is of a type seen on the
least expensive Gibson banjos.
It lacks the notching of most
other banjos of this period. It
is grooved differently from the
hoops of the earlier
TB-2 and
MB-3 models on these pages,
but, as with earlier inexpensive
models, it accommodates  
flat-type rather than rounded
brackets. It is solid brass and is
stamped "E2" on the inside.
The rim is rolled and
laminated maple, 3
plies of 1/4 inch
each, machined
down to 5/8 inch at
the top and 1/2 inch
at the bottom, over
which the flange
slips. There is no
tone ring. There is a
turned bead in the
wood at the outside
top edge, upon
which the head rests.
As is the case for other pre-war, non-Mastertone models, the neck
is attached to the pot with a fastening nut and a single coordinator
rod, for which Gibson had been granted a patent in 1922.
Designed by Gibson engineers Thaddeus "Ted" McHugh and
Delmont C. Mafit, this allowed adjustment of the angle of the
neck of the banjo to the pot.
BANJOS
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