. Water & sewage works . ere handles are se-cured In order to insure additionalstrength. The compressors, which arebuilt of malleable iron, slide in thegrooves In the bottom of the file. All doc-ument file cases are equipped with bailsformed of %-inch No. 14 gage metal riv-eted to the rear end of the slides of thefile body. These cases are equipped withflanged shelves in each opening in orderto form strike so as to engage the bailsat back of each file. The sides of all flat letter files are cutin the form of a triangle and these filesare so arranged that when pulled fromthe case they are suspe
. Water & sewage works . ere handles are se-cured In order to insure additionalstrength. The compressors, which arebuilt of malleable iron, slide in thegrooves In the bottom of the file. All doc-ument file cases are equipped with bailsformed of %-inch No. 14 gage metal riv-eted to the rear end of the slides of thefile body. These cases are equipped withflanged shelves in each opening in orderto form strike so as to engage the bailsat back of each file. The sides of all flat letter files are cutin the form of a triangle and these filesare so arranged that when pulled fromthe case they are suspended at the backfrom Vs by ^i-inch steel bars; these fileshang down in a vertical position, sus- pended hooks being provided on the in-side of the uprights. All legal blank drawers and map-tubecases have drop fronts riveted to thesides, and are so pivoted that when thedrawers open the front drops down. Thecard index drawers are equipped with apan suspension, while all other drawershave a bolt suspension except where less. SUPERINTENDENT OF PUBLIC SERVICE OFFICE,Cook County Court House. Chicago, 111. than 16 inches deep. The plan drawersare equipped with flanged hoods at thebacks, which are bent forward horizon-tally in order to prevent the curling ofthe drawings. All plan drawers are builtof No. 20 gage and are provided with ahinged hood in front. The bottoms ofplan, legal blank and plain drawers havetwo 1-inch finger holes near the front inorder to prevent the operators raising theend of the paper in the drawer from un-derneath. The sides and bottoms of all verticalletter files are No. 22 gage steel, built withdouble heads, allowing ^o-inch air space. The upper edges of both sides are foldedfor strength and appearance and bothsides and bottom are flanged and securedwithin the head by means of a % by %-inch bail band, riveted to the sides andbottom at the rear. These files have aNo. 16 gage steel following board ar-ranged to lock with a friction grip and tooperate with a lever.
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License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectsewerage, bookyear191
