. Slate plumbing fixtures and products. lay electric machinery and appa-ratus have ever been compiledand published in a readily ac-cessible form for designing en-gineers and constructors. This publication was is-sued due to the constantly in-creasing use of slate as a mate-rial upon which electrical ap-paratus and instruments maybe mounted. The tests abovereferred to show that slate ful-fills all conditions of toughness,elasticity, ability to stand theshock, ease of drilling, low per-centage of absorption, and non-combustibility, as well as re-sistance to electrical proper-ties, which make it
. Slate plumbing fixtures and products. lay electric machinery and appa-ratus have ever been compiledand published in a readily ac-cessible form for designing en-gineers and constructors. This publication was is-sued due to the constantly in-creasing use of slate as a mate-rial upon which electrical ap-paratus and instruments maybe mounted. The tests abovereferred to show that slate ful-fills all conditions of toughness,elasticity, ability to stand theshock, ease of drilling, low per-centage of absorption, and non-combustibility, as well as re-sistance to electrical proper-ties, which make it highly de-sirable for this purpose. Clearstock only is used for themounting of electrical appa-ratus, as freedom from metallicveins is an essential require-ment. Slate slabs of any size andthickness to suit the require-ments of consumers may beproduced without a delay byTHE STRUCTURAL SLATECOMPANY, due ttf its enor-mous quarrying facilities. Onthis page are shown only twoof the hundreds of possible usesof slate in the electrical Combined Overload and Undervoltage Circuit Breaker102 THE STRUCTURAL SLATE COMPANY SPECIFICATIONS THE STRUCTURAL SLATE COMPANY submits herewith, forthe use of those who desire a brief form of specifications for installationsof Structural Slate Plumbing Fixtures. For the other installations ofSlate, such as Stairways, Floors, Wainscots, Caps and Bases, Chemicaland Miscellaneous Uses, Blackboards, etc., refer to the various chaptersin which these uses are described. Any or all of these may be obtainedupon application to THE STRUCTURAL SLATE COMPANY, PenArgyl, Penna. The Service Department of THE STRUCTURAL SLATE COM-PANY is at all times ready to assist in any problem of slate installation,furnishing necessary details and recommendations. In these specifications it will be found that the type of installationsrefers in all cases to the individual Chapters. There is no difference in theType, Number, Size and Arrangement of any of the fixtures between
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdivisio, bookyear1922
