National boilers, radiators, and specialties: catalog no26 . Model No. 47One-Day Clock Model No. 60Eight-Day Clock Model No. 55Eight-Day Clock Time Attachments for Thermostat Consists of reliable clocks mounted in connection with the Thermostat andof similar finish. The Time Attachment will change point of temperature control at anypre-determined hour. With the Time Attachment the pointer of thermostatmay be set to any lower degree and the alarm hand of clock set at any hourwhen you desire temperature changed. The pointer will at that hour auto-matically and silently move to 70; the thermostat
National boilers, radiators, and specialties: catalog no26 . Model No. 47One-Day Clock Model No. 60Eight-Day Clock Model No. 55Eight-Day Clock Time Attachments for Thermostat Consists of reliable clocks mounted in connection with the Thermostat andof similar finish. The Time Attachment will change point of temperature control at anypre-determined hour. With the Time Attachment the pointer of thermostatmay be set to any lower degree and the alarm hand of clock set at any hourwhen you desire temperature changed. The pointer will at that hour auto-matically and silently move to 70; the thermostat being always in control andnever cut out.
Size: 922px × 2711px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectsteambo, bookyear1920
