. Electric railway journal . s in sev-eral essential points. Two essential partscompose the system—the filing case and therecord book. The pho-tograph shows the fil-ing case (home made)with the tubes con-taining the tracingsin place. There arefifty tubes, each 36 and 3 in. in di-ameter, and providedwith a dustproof tube and cap aremade of heavy galvan-ized iron. Each tubeis numbered, both onthe cap and tube proper. The tracings to be filed are grouped accordingto any desired classification; each group is then rolledup, fastened with a string or rubber band, and placedin its pr
. Electric railway journal . s in sev-eral essential points. Two essential partscompose the system—the filing case and therecord book. The pho-tograph shows the fil-ing case (home made)with the tubes con-taining the tracingsin place. There arefifty tubes, each 36 and 3 in. in di-ameter, and providedwith a dustproof tube and cap aremade of heavy galvan-ized iron. Each tubeis numbered, both onthe cap and tube proper. The tracings to be filed are grouped accordingto any desired classification; each group is then rolledup, fastened with a string or rubber band, and placedin its proper tube. The filing case is 70 in. high, 35in. deep and 22 in. wide, and the tubes fit loosely intheir respective pigeonholes. The tracings are givenserial numbers, this numbering having been begunsome time before the present filing system was in-stalled. For the record book, an ordinary loose-leaf record isused. This is divided into three parts, as follows: Part1, giving a list of classifications of the tracings accord-. CABINET AND METAL TUBES FORFILING TRACINGS May 19, 1917] ELECTRIC RAILWAY JOURNAL 923 PART NO. 1 Page #1. o. Classification. Tube No. Axles and Armature Shafts, —— . \ Bearings: Armaturet Motor Axle ACentre, ffto., RECORD BOOK HEADINGS, SUBJECT CLASSIFICATION ing to subjects; Part 2, giving a list of all tracings innumerical order, and showing the number of the tubein which each may be found; and Part 3, giving a com-plete list of tracings to be found in each tube. The ad-vantage of this last part is that by reference to it one Waste From Coal Mines Usedin Seattle, Wash. From Experiments Made It Is Practically AssuredThat Powdered Coal Can Be Readily Burned BY HENRY HULL Superintendent Steam Heat Division Puget Sound Traction Light& Power Company, Seattle, Wash. This company has been experimenting with powderedcoal, as there are within a hundred miles of Seattle nu-merous coal mines with thousands of Ions of fine coalpiled up which at present is unmark
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
