. The street railway review . h address is Peckham Hostclcry, London,and its telephone number is 70 Westminister. * « » At the sixth annual commencement of the Thomas S. Clarksonmemorial school of technology, Potsdam, N. Y., June 9th, Mr. C Woodward, assistant engineer of the American Telegraph &Telephone Co., Boston, delivered an address to the graduating classon The Engineer as an Economist. Junk 15, STr<i;RT RAILWAY RlvVlEW. 383 A Vacuum (^ar (cleaning System. llic jiiaiuigciucjil III ilic Central Railroad of New Jersey lias re-cently cfimplcted the iiistallalion nf a syhleni
. The street railway review . h address is Peckham Hostclcry, London,and its telephone number is 70 Westminister. * « » At the sixth annual commencement of the Thomas S. Clarksonmemorial school of technology, Potsdam, N. Y., June 9th, Mr. C Woodward, assistant engineer of the American Telegraph &Telephone Co., Boston, delivered an address to the graduating classon The Engineer as an Economist. Junk 15, STr<i;RT RAILWAY RlvVlEW. 383 A Vacuum (^ar (cleaning System. llic jiiaiuigciucjil III ilic Central Railroad of New Jersey lias re-cently cfimplcted the iiistallalion nf a syhleni of car clcaninK knownas tin; vacuum sweeping system, whereby the dirt and dust is drawnfrniii the car by suction throuRli a pipe. The company has erecteda plant in its Jersey City yards, and for a distance of 3,600 ft. haslaid pipe varying from 2 to 5 in. in diameter, covering in all aboutthree miles. At short intervals this pipe is tapped and from thecocks is run the llexibic hose, which may he taken in the car cither. \N[N(; CAKPETS. by door or wnidow. M ihc foot of the hose is a metal pipe with aflat triangular end, along the base of which is an opening, andthrough which the dust and dirt is drawn by the vacuum operator runs the slot opening over the cushions, carpets, cur-tains, wood-work, etc., and without any commotion or dust raising,every loose particle or germ is carried away, everything being left ■DKSi -•- -:-^\ 1 /p. HI ii l«f^-^ J; 1 i L,-^ : ; LLt.\NINr. lAK se.\ts. clean and wholesole. The dust thus removed, before reaching thedrawing-in machine, passes through two dust separators, the lirstof which clears the air of 90 per cent of the grit, dust and germs;the second separator or cylinder draws the air through water inwhich corrosive sublimate is used, and completes the he vacuum system, while reducing disease liabilities to a minimum,at the same time reduces the cost of cleaning and time consumedand two cars can be thorou
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
