Perfex Series 155 Magic Dial Thermostat
Here are photos of a circa-1944 Perfex Series 155 Magic Dial Thermostat, as well as the instruction manual.
Bryant Automatic Gas Heating
Here is a nice four-page booklet from 1957 about Bryant Automatic Gas Heating. Thanks to John Mills for scanning and sharing.
Categories
Leave a comment
Comments by Vanilla
Related Posts
The American Society of Heating and Ventilating Engineers Guide (1929) - Hot Water Heating Systems and Piping
This chapter on hot water heating systems and piping was prepared by Professor F.E. Giesecke (Director of Texas Engineering Experiment Station in TX) for the The American...
Jarecki Radiators (1890)
Here are ratings for the Erie radiator from Jarecki Mfg Co Ltd. They were based in Erie, PA and their radiators appeared in issues of Domestic Engineering in the 1890s.