Here is something interesting for the old radio/electronics fans out there.

These 20 booklets are part of a set of a VINTAGE 35 part VOCATIONAL series by the National Radio Institute - How to Make Extra Money FIXING RADIOS. These booklets are dated 1955 and 1956. Here are the booklets included in this sale:

Booklet 10 - How To Test And Repair Loudspeakers Booklet 11 - How To Inspect A Chassis For Surface Defects Booklet 13 - How To Repair Marred Radio Cabinets Booklet 14 - How To Start A Spare-Time Service Business Booklet 15 - How Much To Charge For Your Work Booklet 16 - How To Plan A Professional Workshop Booklet 17 - How Professional Servicemen Repair Receivers Booklet 19 - How To Find The Defective Part With An Ohmmeter Booklet 20 - How To Find The Defective Part With A Voltmeter Booklet 21 - How To Fix A Dead Receiver Booklet 22 - How To Fix A Receiver That Hums Booklet 23 - How To Fix A Receiver That Squeals And Motorboats Booklet 24 - How To Fix A Noisy Receiver Booklet 25 - How To Fix A Receiver That Distorts Booklet 26 - How To Align Simple One Band Receivers Booklet 27 - How To Align All Wave Superhetrodynes Booklet 28 - How To Fix A Weak Receiver Booklet 29 - How To Fix A An Intermittent Receiver Booklet 30 - How To Service A.C. - D.C. Receivers Booklet 31 - How To Service Three-Way Portable And Battery Receivers

Each of the booklets is approximately 20 pages and includes photos, diagrams, advice, and trouble-shooting tips followed by examples. This type of information is from the period and cannot be found in modern day service manuals. Condition is good, but there are some bent and folded corners, marks and wear.

Also included are 2 extra books:

Fixing Radio and TV sets - No. 11 How to Fix Weak and Intermittent Receivers (1956 by NRI) Rogers Booster (April-May 1958)

Asking $30 plus actual shipping from Canada for these informational volumes. PayPal preferred. No interest yet. How about $25 plus shipping?