3 Gibson Archtop Electric Tenor Guitars - From EST-150 to
ETG-150
Here we follow evolution of the Gibson ETG-150
On the right, the 1936 EST-150 with the Charlie Christian pickup.
In the middle, the 1940 ETG-150 with the transitional chrome
covered pickup.
On the left the 1956 ETG-150 with the P-90 style pickup. (P-60 some
call it)