am En- Improved Steam Trap. tich, Belgium, and assigned to Bernhard Schaffer and gineering, War Vessels, Ordnance—military and naval—Fire-arms The water which coudenses in steam cylinders and ‘Christian Budenberg, of New York city; for further Mechanics’ Tools, Manufacturing Machinery, Farm… … Two volumes of the SCIENTIFIC AMERICAN are published each STEAM TRAP. VAESSEN’S year, at $1 50 each, or $3 per annum, with correspondingly low terms to Clubs ; $1 will pay for four months’ subscription. The numbers for in all places where steam is used, whether as motive information address the…
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