WWII US Navy Bureau of Aeronautics LM-13 Frequency Indicating Equipment Manual NAVAER 08-5Q-38 Radio Electronics Back-to-School it features a ribbon bar

it features a ribbon bar

while the early production date of 1941—before material shortages led to lower-quality items—makes it a desirable example

Marlin under new ownership

high-voltage warning label

Army Ike jacket

WWII US Navy Bureau of Aeronautics LM-13 Frequency Indicating Equipment Manual NAVAER 08-5Q-38 Radio Electronics Back-to-School it features a ribbon barOriginal World War II era U. S. Navy Bureau of Aeronautics technical manual for the LM 13 Crystal Calibrated Frequency Indicating Equipment and LM 13 Assembly 1. This manual is identified as NAVAER 08 5Q 38 and is titled Handbook of Maintenance Instructions for Crystal Calibrated Frequency Indicating Equipment LM 13 and LM 13 Assembly 1. The publication was originally classified and later marked as declassified unclassified, adding to its historical