Browse Items (13 total)

  • Tags: Technical Manual

General Radio Co - frequency monitor instruc0001.jpg
"Box 1 folder 6 is from 1940 approximately. It’s a General Radio Company pamphlet, an instruction manual for a Type 25 A Broadcast Frequency Monitor with schematics. We approximated the year based on the availability of tubes listed in the appendix…

Shure mic p1 specs July 1941.jpg
"Box 1 number 9. From July of 1941, it’s a data sheet describing Shore Brothers microphone model 555A. It could have been received from Ben Franklin; it also could have been in the files of WJLD in the technical section of its file system."

Multi Range 856 Tester cover- July 1941  7 pages.jpg
"This is box 1 number 10 dated July of ’41. Instructions for operating precision series A56 dual sensitivity multi-range tester: again one of the technical spec publications that were most likely found in the drawer of similar documents at JLD…

b1f37a - NC 108 Receiver Instruction Manual  1947.jpg
"We move now to box 1 number 37, yup. Folder 37 is nine page instruction manual for the national model NC108 FM receiver. From notation on the back cover, we are approximating this as 1947 booklet. We think that some of these companies probably…

B1f40a - 1947 technical data report on WJLD antenna.jpg
"Box 1 and we are at folder 40, which is a 10 page report of antennae system resistance and reactants for radio station WJLD (Johnston Broadcasting Company) in Bessemer in September of 1947. It’s a technical document produced by Claude M. Gray,…

b1f44a - tech doc on WJLD beacon 11-10-1948.jpg
"Box 1 folder 44 is an instruction sheet for a, it looks like a tower beacon from June of 1948; the original instruction sheet was from 1942, this is some kind of an update. Could very well have been for one of the JLD beacons; it was found in the…

b2f4a - Raytheon Instruction Manual - Model RA-1000 - 4-24-1950.jpg
"Alright this is folder 4. It is an instruction manual for a Raytheon 1000 watt AM transmitter, which we had here at WJLD. It was given away as a donation to a school, but it was the original transmitter when we went to 1000 watts. There is no…

b2f36a - C100 FM Antenna Instruction Booklet - 1952.jpg
"And head back into folder 36, which is a nine page technical manual including contents, tables and drawings, put out on October 20, 1952. The FM antenna instruction book, this would be the antenna for, if it’s an FM antenna, we’re probably talking…

b4f1a - Precision Multiplier Probe Instr - 1952.jpg
"This is box 4 folder 1. It’s August 30, 2011. We’re beginning. We have operating instructions for a vacuum tube test probe for a multi-master which is probably a vacuum tube tester, various other instruction manuals for various pieces of equipment,…

b4f6a - instruction manuals for WJLD equipment.jpg
"Folder number 6 is an instruction manual for a Gates transistor equalized pre-amp with, it’s a copy of one that was probably found at the WJLD radio from the 1960's. It has schematics in it. And also in this folder is an operating manual for an…
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