Factory and industrial management . 220 THE PARIS MUSEUM OF SAFETY DEVICES. 221 While speaking of dust, we may describe the type blower of Del-mas (Figure 7), the purpose of which is to clean printers cases in aclosed compartment D into which the case E is slid. The ventilatingduct F is then closed. A pipe from the blower is placed in theventilating duct at the right, and the blower started. The dust isthen removed to the box and escapes by the hole F, which leads to theventilating duct F which carries the dust to the exterior by the illustration herewith, the electric motor A drive
Factory and industrial management . 220 THE PARIS MUSEUM OF SAFETY DEVICES. 221 While speaking of dust, we may describe the type blower of Del-mas (Figure 7), the purpose of which is to clean printers cases in aclosed compartment D into which the case E is slid. The ventilatingduct F is then closed. A pipe from the blower is placed in theventilating duct at the right, and the blower started. The dust isthen removed to the box and escapes by the hole F, which leads to theventilating duct F which carries the dust to the exterior by the illustration herewith, the electric motor A drives the ventilator,however, it may be driven by a belt, or a foot pedal. A current ofair B forced into the duct F produces a suction which removes thedust from the glass compartment. The use of the type blower re-moves the dust from the cases, thus preventing diseases which resultfrom its FIG. 10. SWING TOP FOR CHIMNEYS, AND SANITARY INSTALLATIONS. Along the same line are the breathing helmet, and the helmet forsand-blasters (Figure 8), exhibited by Messrs. Casassa Sons. In the hall situated at the other end of the museum we find agreat assortment of hoisting devices, hoisting blocks, movable ladders,climbing harness for linemen, safety devices for roofers, variousmodels of elevators and protective stair cagings (Figure 9). A littlefarther on, we meet with rocking devices for emptying carboys, chim-ney swing tops of the Laferte system for removing smoke, steam 222 THE ENGINEERING MAGAZINE. and bad odors; numerous washbowls, shower baths, and other sani-tary installations (Figure lo).
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Keywords: ., bookcentury1800, bookdecade1890, booksubj, booksubjectengineering
