. American engineer and railroad journal . double dovetail slides, so that it can be placed atvarious distances from the main column. This adjustment is ac-complished by a screw motion operated by a lever arrangementwith ratchet and pawl. The sliding and turning straight and angular table is suppliedwith a dovetail slide, a screw feed, and a radial dovetailed diskupon which the table turns for angular boring, thus enablingthe operator to make a close adjustment of the material in re-lation to the boring spindle, and providing for end and angularboring. The table has an excellent and convenient
. American engineer and railroad journal . double dovetail slides, so that it can be placed atvarious distances from the main column. This adjustment is ac-complished by a screw motion operated by a lever arrangementwith ratchet and pawl. The sliding and turning straight and angular table is suppliedwith a dovetail slide, a screw feed, and a radial dovetailed diskupon which the table turns for angular boring, thus enablingthe operator to make a close adjustment of the material in re-lation to the boring spindle, and providing for end and angularboring. The table has an excellent and convenient adjustingguide fence and clamp for holding the material. A hand and power feed roller table, about 10 ft. long by 27 in. wide, can befurnished with this machini in lead of the column table de-scribed. It will clamp 22 in. wide by 16 in. thick and carries sixrollers, the central one being fluted and supplied with a handwheel feed, the center and two end roll bring geared togetherby a chain and driven by either hand or power feed. The col-. HORIZONTAL UNIVERSAL CAB BORING MACHINE. umn table is recommended for short material and angular bor-ing only, while for long material and straight boring the rollertable is more desirable. The machine, fitted with a roller table occupies a floor space o;7 by 10 ft., and with the column table 7 by 3 ft. It requirh. p. for driving and weighs 2,100 lbs. with the column table and3,600 with the roller table. It is manufactured by The Bentel &Margedant Company, Hamilton, Ohio. BOOK NOTES. Methods of the Santa Fc—Efficiency in the Manufacture ofTransportation. By Charles Buxton Going. 124 pages, 6/:x gli in. Published by The Engineering Magazine, 140Nassau street, New York City. Price, $ a year ago Mr. Going, editor of The Engineering Mag-azine, made a five weeks trip over the Santa Fe in order tostudy the betterment work closely. As a matter of fact TheEngineering Magazine is the only journal, other than the Amer-ican Encineer and Rail
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
