Inside Out Library · Explore

National boilers, radiators, and specialties: catalog no. 26 (1920)

National Radiator Company · National Radiator Company · leaf 92

An illustration from National boilers, radiators, and specialties: catalog no. 26, 1920, leaf 92 — 92 NATIONAL H E A TING SPECIALTIES Novus Sensitive All-MetalDamper Regulator For Low-Pressure Steam … Patent Applied For Diaphragms are Made from Steam MetalVery Sensitive and Easy to Adjust The Novus Sensitive Ail-Metal Damper Regulator is madeentirely from the best of steam metals and is practically inde-structible. The general arrangement of the diaphragms is suchthat it is very simple in…

Boilers · Radiators · Water-tube boilers · Steam boilers · Radiant heating units

Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.

More pictures from National boilers, radiators, and specialties: catalog no. 26

More like this