National boilers, radiators, and specialties: catalog no26 . Gravity Motor Model Spring Motor Model 82 NATIONAL HEATING SPECIALTIES Non-Wind Electric Motor. This motor is furnished for use with either direct or alter-nating current. It is the latest and most improved in designand can be operated directly from the house lighting circuit, List Prices and Model Numbers List Prices and Model Designation Thermostat Only * ^ Model No. Description New List Prices No. 40 Plain Thermostat—no clock $ No. 47 One-day Clock Thermostat (39 and 47) No. 55 Eight-day Clock (Duplex) Thermostat 40 .00
National boilers, radiators, and specialties: catalog no26 . Gravity Motor Model Spring Motor Model 82 NATIONAL HEATING SPECIALTIES Non-Wind Electric Motor. This motor is furnished for use with either direct or alter-nating current. It is the latest and most improved in designand can be operated directly from the house lighting circuit, List Prices and Model Numbers List Prices and Model Designation Thermostat Only * ^ Model No. Description New List Prices No. 40 Plain Thermostat—no clock $ No. 47 One-day Clock Thermostat (39 and 47) No. 55 Eight-day Clock (Duplex) Thermostat 40 .00 No 60 Eight-day Clock (Square) Thermostat No. 65 Hot Water Tank or Boiler Thermostat List Prices.— Motors Only Description Gravity Motor—Weight Power $ Spring Motor—Spring Power 24 .00 6-Volt Operating on 4 Dry Cells Only 39 .00 110-Volt, 60 Cycle, Alternating Current. 110-Volt, D. C. Motor and 2 Dry Cell Thermostat Circuit 49 .00 Designation Gravity (G)Spring (S)D. C. List Prices Complete Regulators ModelNo. No. 40No. 47No. 55No. 60No. 65 Motor Equipmenf (Plain Thermostat, no Clock) (One-day Thermostat) (E
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectsteambo, bookyear1920
