Handy notes and queries. A manual of useful information, of especial importance to dealers in hardware, stoves and tinware, machinists', gas-fitters' and plumbers' materials, as well as the various workers in useful metals .. (1888)
Hopkins, Henry, [from old catalog] comp · New York, H. Hopkins & co. · leaf 157
Powdered glass, 5parts ; chamotte meal, 5; powdered borax, 1. Chamotte meal is obtained bypulverizing broken pieces of gas retorts. This cement is a hard glass whichonly melts at the highest temperature, and then closes the leaks in the re-tort. To render the iron retort cover which closes the…
Metal-work · Hardware
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
