user_947538 (4)
1947 printing of Johnson’s new handy manual on Heating Ventilating Mechanical Refrigeration and Air Conditioning, a practical book for practical men. ...
Refrigerant detector, ( old school, older refrigerants) TX3A, Halide leak detector, new in the box. $30, no e transfers, pick up in the Duncan/Maple B...
Older Pentax Spotmatic, with Vivitar automatic teleconverter (x2) and Kitstar zoom lens, a Hanimax flash attachment included. Also have an older sturd...
From 1876 ( only copyright date I can find), 348 pages, one page with a small tear, and another with ink markings where someone practiced. It’s an old...
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Duncan