8 Philco Number / Type 77 #77 Vacuum Tubes Engraved / Stamped Base Mesh Plate Variety Lot Of Eight 6J8P Black and 117% respectively

and 117% respectively

copper support rods and gray plates

they can put out as much as 2A3s and fell into disfavor because of socket supply issues

gray bottles and bottom

They measured 34

8 Philco Number / Type 77 #77 Vacuum Tubes Engraved / Stamped Base Mesh Plate Variety Lot Of Eight 6J8P Black and 117% respectivelyThese eight Philco number type 77 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas. They tested (from left to right, top to bottom) 25, 30, 31, 32, 32, 33 37 and 39 where minimum (65%) is 31. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU