. Electric railway journal . y permit theforeman or man in charge to operate the lift in addition todirecting the work of his men. The use of this air enginetherefore eliminates oneman—the pump operator—from the crew. By the use of air powerthe speed of operation isvery greatly it is desired to raisethe saddle up to the workair is admitted directly tothe top of the reservoir,thus forcing the waterinto the cylinder and lift-ing the ram at almost anydesired speed. As soonas the load becomes toogreat for this pressure theair is by-passed into theair engine, which in turnlifts the r
. Electric railway journal . y permit theforeman or man in charge to operate the lift in addition todirecting the work of his men. The use of this air enginetherefore eliminates oneman—the pump operator—from the crew. By the use of air powerthe speed of operation isvery greatly it is desired to raisethe saddle up to the workair is admitted directly tothe top of the reservoir,thus forcing the waterinto the cylinder and lift-ing the ram at almost anydesired speed. As soonas the load becomes toogreat for this pressure theair is by-passed into theair engine, which in turnlifts the ram. In the jackshown in the accompany-ing illustration the ram israised at the rate of 7^in. per minute, whereasonly 2 in. per minute is attainable with a hand power jack illustrated has a lifting capacity of 10 tons and atotal raise of 103 in. The ram is telescopic in two lengths of4-in. and 5-in. diameter respectively, and since it is equippedwith an air power pump it embodies the latest feature inthese Pit Jack with Air Pump Five per cent of the gross receipts from the sale oftickets on New Yorks subway and elevated lines on Mon-day, March 31, was contributed toward the relief of theflood sufferers. Monday is normally the day of heaviesttraffic. The total contribution amounted to $6,073. Thisindicates that about 125,000 more tickets were bought thanduring any previous twenty-four-hour period in the wholehistory of the company. April 5, 1913.] ELECTRIC RAILWAY JOURNAL 647 LONDON LETTER (From Our Regular Correspondent) The Tramways & Light Railways Association held itsannual meeting in February followed by a successful din-ner at the Trocadcro Restaurant. The Hon. Arthur Stan-ley presided at the meeting. He referred to the principalfeature of the year, the passing of the governments lightrailways act. The association did not get all it desired asit was still necessary for trackless trolley schemes to pro-ceed by bill as before, instead of being promoted as
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