In the early 1940s, Nat Daniel (yes, of Danelectro renown) designed the original amplifier circuitry employed in the 1940-1943 Epi Electar Zephyr amp. This is the circuitry that pre-dated the next generation, tremolo circuited amplifiers. It is the first generation, Nat Daniel- circuit, NON-tremolo schematic diagram that I am seeking for the restoration of a 1942 model (this verified from the original Epiphone manufacturer log, by its serial number. Has to be the first generation drawing. Thanks!