. Scientific American Volume 78 Number 01 (January 1898) . Transits and Leveling Instruments. pk^tVo pocket levels Sizes, 2J^ and 3^ inches. Prices, 40 and 5U cents. For Book on the Level. C. F. RICHARDSOIV & SON, i*. O. Box 977, ATHOIi, MASS., U. $. GATES ROCK &ORE BREAKER,Steam Ore Stamp,Mining Machinery, 50 years experience aB builders. GATES IRON WORKS,Dept. C, 6B0 Elston Aue., Chicago, THE BEST BENCH LATHE for precise and accuratework of all kinds is shownhere in cut, and com-prises Bed, Head Stock,Tail Stock, T Rest, FacePlate, Two Centers and BinderBolt. Formofbed makes possible the
. Scientific American Volume 78 Number 01 (January 1898) . Transits and Leveling Instruments. pk^tVo pocket levels Sizes, 2J^ and 3^ inches. Prices, 40 and 5U cents. For Book on the Level. C. F. RICHARDSOIV & SON, i*. O. Box 977, ATHOIi, MASS., U. $. GATES ROCK &ORE BREAKER,Steam Ore Stamp,Mining Machinery, 50 years experience aB builders. GATES IRON WORKS,Dept. C, 6B0 Elston Aue., Chicago, THE BEST BENCH LATHE for precise and accuratework of all kinds is shownhere in cut, and com-prises Bed, Head Stock,Tail Stock, T Rest, FacePlate, Two Centers and BinderBolt. Formofbed makes possible the clamping of various attachmentswithout distorting the metal. Other special features thatg^Te general satisfaction wherever tried. For furtherand mller particulars send for free descriptive Pratt & Whitney Co., Hartford, Conn.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectdevice, booksubjecttb
