. Cassier's magazine. number of regular patterns,a fuel oil pump and heater, for use inconnection with an oil-burning system,was exhibited, its distinctive featuresbeing the by-pass valves and piping, toavoid, when desired, pumping oilthrough the heater. Thus exhauststeam may be utilised to heat the oil toany degree necessary by using the by-pass in connection with it. There werealso an oil line pump for pumping crudeoil or a fine petroleum, a vertical boilerfeed pump, a vertical deep well engine,several contractors differential pumps,and vertical plunger and piston sinkingpumps for mine servi
. Cassier's magazine. number of regular patterns,a fuel oil pump and heater, for use inconnection with an oil-burning system,was exhibited, its distinctive featuresbeing the by-pass valves and piping, toavoid, when desired, pumping oilthrough the heater. Thus exhauststeam may be utilised to heat the oil toany degree necessary by using the by-pass in connection with it. There werealso an oil line pump for pumping crudeoil or a fine petroleum, a vertical boilerfeed pump, a vertical deep well engine,several contractors differential pumps,and vertical plunger and piston sinkingpumps for mine service. Another type shown was a large potvalve pump, designed for mine stationpumping and heavy service. This isfor use especially in mines subject tofloods due to surface drainages or work-ings, or cutting into subterranean bodiesof water, which necessarily must bepumped out in short order, and alsowhere the water is strongly impregnatedwith sulphur and the use of the ordinaryiron pump is prohibited. MANUFACTURING NEWS. SENSITIVE BENCH DRILL MADE BY WILLIAM GARDAMNEW YORK MESSRS. WILLIAM GARDAM &SON, Inc., New York, have justbrought out a new model of their No. isensitive drill for the special use of op-ticians, jewelers, andA New Model wherever a first-classSensitive Bench Drill tool is required for del-icate work. As maybe seen from the annexed illustration,there are novel features about it towhich attention may be called. The drill, while capable of being ad-justed to accommodate the work, re-mains at a stationary height while drill-ing, the table being raised or loweredby a lever operated by the arm of theworkman, who thus has both hands freeto direct his work. This lever isequipped with an arm rest and swingsaround within a wide radius, so that theraising cr lowering of the table may beaccomplished either by the right or leftarm of the workman. The table is fittedwith a centre, and the spindle can bebored to suit the needs of the purchaser. The spindle has a long bearing, an
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyork, booksubjec
