For sale is reprint of PACO T-65 Transistor and Diode Tester Kit. Book includes assembly and operating manuals. Manual is 40 pages long, Dated 1958.
Most of PACO Transistor Testers were sold in kit form. If you own one of these vintage testers, assembly manual is very helpful for troubleshooting, every step can be retraced to find that cold solder connection.