The the reduced size enabling the parts to be fitted more superficial acres of gold-bearing ground a year. ladder consists of a heavy lattice girder with %-inch perfectly, permitting the diminution of friction and The monthly profit of the larger dredgers, though side plates 3 feet deep. The bucket… … Further par- volving screen ticulars and is 4% feet in COL. J. J. ASTOR DEDICATES HIS MARINE TURBINE PATENTS TO THE PUBLIC. details concern- diameter and ing pumps, condenser, etc., may he obtained from $12,000. Values from the borings referred to are some- 25 feet long, perforated with %-inch…
Patents · Mechanical · Gas · Zinc · Gas engine · Scientific American · Automatic train · Zinc chloride · Soda ash · Horse power · York city · Contact rail · John turton · Oil fuel
Internet Archive · Public domain (published before 1931). Free to use for anything.
