. Water & sewage works . ll sliding strips,guides and similar friction mem-bers are of brass. Wherevertwo or more sliding doors en-close the front of the case thesedoors are so arranged that onedoor slides in front while theother slides behind in order thatpractically the entire front ofthe case may be opened at one :time. All curtains are of the sim-plex or duplex type and are con-structed of No. 24 gage steel,slats being % of an inch edges of these slats arestiffly beaded, one edge beingsufficiently larger than thaton the other edge to permit the slippingof the strips into one anoth
. Water & sewage works . ll sliding strips,guides and similar friction mem-bers are of brass. Wherevertwo or more sliding doors en-close the front of the case thesedoors are so arranged that onedoor slides in front while theother slides behind in order thatpractically the entire front ofthe case may be opened at one :time. All curtains are of the sim-plex or duplex type and are con-structed of No. 24 gage steel,slats being % of an inch edges of these slats arestiffly beaded, one edge beingsufficiently larger than thaton the other edge to permit the slippingof the strips into one another so as toform a smoothly working hinge; the en-tire curtain thus forming a continuous 1-inch steel bars, placed 10Inches above the floor. Allaprons are S^^; inches deep, built of No. 16gage steel and reinforced. The table tops are formed of battleship linoleum, sup-ported on No. 12 gage false tops, boundaround the edges with brass angles. The stringers of all ladders, which areeither hung from the ceilings or supported. PLAIN SHELVING CASES covered by sliding doors,City Hall, Chicago, JU. from the tops of the cases, are built ofNo. 16 gage metal, with a %-inch roll atboth edges. The steps are constructed ofNo. 16 gage with rolls at both METALLIC FURNITURE INSTALLATION 113 edges and llangeil at the ontl. All lad-ders extending from the floor to the ceil-ing are provided with standard I/i-inchdiameter enameled gas pipe hand-rails anduprights on botfi sides. The tracks arebuilt of No. 24 gage steel. All laddersare equipped with rubber tires and cast-iron wheels at the bottom and at the topwith ball-bearing hangers. The safes are constructed oftwo thicknesses of metal, theoutside sheets being No. 10 gageand the inside lining No. 20gage; the space between the twocasings being filled with o-inchasbestos board. The doors arebuilt in the same manner andare equipped with heavy brass-tipped hinges, four-tumbler com-bination safe locks, numbereddials, etc. The fronts of all doc
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsewerage, bookyear191
