s, being well protected; therefore no the ring or hand wheel, G, the water supply can be regu- A NEW INJECTOR FOR STEAM BOILERS. lated according as the steam pressure in the boiler may re- leaky joints.—Textile Manufacturer. quire. This device was patented through the Scientific We illustrate… … Pack Thomas exhibited tracheal vessels of silkworms, tained by subliming sulphur; and except that there is with it require any internal packing, as to prevent locking or burst- tongue of fly, eye of beetle, etc. Mr. David Lane, with the usually a little sulphurous acid, the product is almost chem-…
Patents · Iron · Inches · Valve · Boiler · Feet · Scientific American · Water · Sulphuric acid · Sheet iron · American patent · Compressed air · Alternate board · American supplement · Horse power · Safety valves · Patent office
Internet Archive · Public domain (published before 1931). Free to use for anything.
