. Electric railway journal . craftsmanship ofindustrial workers; a standard labor and managementterminology; common principles for the methods of management, and the measurement of productionstandards. The building industry was said to be about 60 percent efficient. In the shoe industry the waste is putat about 35 per cent. The average plant in the metaltrades gi-oup is from 25 per cent to 30 per cent behindthe best plant in output per employee. In the ready-made clothing industry, the report says, it should berelatively easy to save three-quarters of a million dol-lars a day—an increase of 40
. Electric railway journal . craftsmanship ofindustrial workers; a standard labor and managementterminology; common principles for the methods of management, and the measurement of productionstandards. The building industry was said to be about 60 percent efficient. In the shoe industry the waste is putat about 35 per cent. The average plant in the metaltrades gi-oup is from 25 per cent to 30 per cent behindthe best plant in output per employee. In the ready-made clothing industry, the report says, it should berelatively easy to save three-quarters of a million dol-lars a day—an increase of 40 per cent in effectiveness. Wire Brush Cleaner Attachment for Air Drill WIRE brush cleaning of metal surfaces offers anopportunity for saving time and labor over thatrequired by hand methods for removing paint, rust,scale, etc. Manufacturers have found difficulty in ob-taining a wire brush of proper design and materialwhich would work effectively and still not wear out toorapidly. A wire brush of very rugged design has re-. AIR-OPERATED BRUSH CLEANER ATTACHMENT cently been placed on the market by the IngersoU-RandCompany, New York, which is intended for use withits standard No. 6 Little David drill. The face diam-eter of this brush is 5 in. and the wires are made ofspecial heat-treated steel, which has been found topossess good wearing qualities. The No. 6 drill which is used with this brush hasbearings designed particularly to take up the end thrustwhen pressing down on the work and the motor has aparticularly high speed, which is also desirable. Thewhole outfit weighs but 114 lb. A New Structural Material ANEW structural material called Plymetl hasbeen produced by the Haskelite ManufacturingCorporation, Chicago. It is a composite of wood andsheet steel. It is manufactured by cementing thinsheet-metal faces to a relatively thick core of light-weight material. The two sheet-metal faces formsmooth, impervious and durable surfaces. The non-metal core places the faces relatively
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
