Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 799
19T6. … The accompanying engraving represents Hoyts Water Gauge, partlyin section. It is a simple mechanical invention for telling at alltimes, the position of the water in steam boilers. The dotted cir-cles show the connection with the boiler; the cock at the bottom isa blow-out cock for the prevention of…
Mechanical engineering
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
