RATES OP ADVERTISING. WALNUT ST. PHILADELPIIIAPS. 16 If WITHERBY RUG St RICHARDSON. MANUFACTURERS. IMPORTANT TO OWNERS OF Steam Boilers. CELEBRATED DOUBLE SEATED LOCK SAFETY VALVE. This Valve is adopted and rel commended by the IT. S. Govern I ment and by Inspectors-in-Chier and Deputies of several States as filling all the requirements of the laws in relation to Steam Boilers' and as being superior to any oth er. It costs the same as the single disc valve and has nearly double the capacity therefore it is much cheaper. Endorsed by the highest engineering talent of the country. For further
RATES OP ADVERTISING. WALNUT ST. PHILADELPIIIAPS. 16 If WITHERBY RUG St RICHARDSON. MANUFACTURERS. IMPORTANT TO OWNERS OF Steam Boilers. CELEBRATED DOUBLE SEATED LOCK SAFETY VALVE. This Valve is adopted and rel commended by the IT. S. Govern I ment and by Inspectors-in-Chier and Deputies of several States as filling all the requirements of the laws in relation to Steam Boilers' and as being superior to any oth er. It costs the same as the single disc valve and has nearly double the capacity therefore it is much cheaper. Endorsed by the highest engineering talent of the country. For further particulars address JOHN ASHCROFT Treas. and Supt. 50 & 52 John St. New York Office No. 65 40reti terrine Street. OIL! OIL!! OIL!!! PEASE'S IMPROVED OILS! 1 U. S. PATENT OFFICE 3ur 18ea61)tung fur beutfcbc @rfinber: EtRunn & rffe. IN EACH TWENTY CENT BOX., scientific american, 1868-10-28
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