Air, Light and Efficiency Showing Influence of Sash Types and Building Design . Upper small halftone: Roof ofright win^ ol Goodrich BuildingNo. 40. Each line of Pond Contin-uous Sash forms a weatherproofshelter over its opening. I-ower small halftone: Idler endof tension transmission rods bywhich the 14 short sawtooth Hnesare controlled- Large photograph shows electricmotor and winding drum in rightwing. A counterweight is hung; inthe box column In foregrountl. Eachsash line is controlled by a triangularle\cr, which acts through togglearms on tension rods running parallelto the sash. These rod
Air, Light and Efficiency Showing Influence of Sash Types and Building Design . Upper small halftone: Roof ofright win^ ol Goodrich BuildingNo. 40. Each line of Pond Contin-uous Sash forms a weatherproofshelter over its opening. I-ower small halftone: Idler endof tension transmission rods bywhich the 14 short sawtooth Hnesare controlled- Large photograph shows electricmotor and winding drum in rightwing. A counterweight is hung; inthe box column In foregrountl. Eachsash line is controlled by a triangularle\cr, which acts through togglearms on tension rods running parallelto the sash. These rods act on thesash through compound levers likethose shown on page
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Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectr, booksubjectwindows
