1948 P.H. Bran's "Vade-Mecum" Radio VACUUM Tube GUIDE Book Manual Electronic VTG

REFERENCE GUIDE FOR ALL THINGS VACUUM TUBE 1948 EXCEPTIONAL CONDITION FOR 76 YEARS OLD

SOLID TIGHT BINDING JUST MINOR WEAR TO SOFT COVERS INTERIOR IS CLEAN

ABOUT 340 PLUS PAGES OF VACUUM TUBE REFERENCE CHARTS PIN DATA AND CHARACTERISTICS.

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