Here are photos of a circa-1944 Perfex Series 155 Magic Dial Thermostat, as well as the instruction manual.
Modern Hot Water Heating, Steam and Gas Fitting (1906)
Modern Hot Water Heating, Steam and Gas Fitting was written by W.M. Donaldson and published in 1906. It contains over 150 illustrations and is a "modern treatise on steam, hot water, and furnace heating and steam and gas fitting, which is intended for the use and information of the owners of buildings and the mechanics who install the heating plants in them." To access this book online, click here.
Categories
Leave a comment
Comments by Vanilla
Related Posts
Perfex Series 155 Magic Dial Thermostat
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.