. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . Till- IMI.\RM\CV IN THE BRITISH-BUILT AMBULANCE TRAIN FOR U. S. SOLDIERS. cross proclaim it as having emanatedfrom a business people engaged in thebusiness of war. yet humane, though fear-less, and as a tribute to Americas effortsto let the Anglo-Saxons stand strong to-gether until victory is ours. of valves, cylinders and air pumps of thelocomotives. Engine oil is for the valvegear and engine trucks, and other oils forother purposes. Oil should not be ap-plied to boxes or to crank pins prepa
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . Till- IMI.\RM\CV IN THE BRITISH-BUILT AMBULANCE TRAIN FOR U. S. SOLDIERS. cross proclaim it as having emanatedfrom a business people engaged in thebusiness of war. yet humane, though fear-less, and as a tribute to Americas effortsto let the Anglo-Saxons stand strong to-gether until victory is ours. of valves, cylinders and air pumps of thelocomotives. Engine oil is for the valvegear and engine trucks, and other oils forother purposes. Oil should not be ap-plied to boxes or to crank pins preparedfor grease when they are running hot. March, 1918 RAILWAY AND LOCOMOTIVE ENGINEERING 71 Safety Safety Devices for Overhead Cranes Devices in Use—Can Be Applied to Existing Cranes—They Save Life andLimb and Preserve Valuable Property. OVERHEAD SHOP CRANE WITH LATTICE GIRDERS AND SAFETY DEVICES. Makers of electrically operated overheadcranes for locomotive repair shops arenow-a-days provided with special safetydevices. In fact electrically operated ma-chinery is generally so fitted, and itseems that the use of the electric currentlends itself to the adoption of devices forpreserving life and limb. In the matterof overhead traveling cranes for shops,all alternating current cranes have twobrakes: a solenoid and a mechanicalbrake. The solenoid brake is attacheddirect to brake wheel on the hoisting mo-tor and goes into operation whenever thecurrent is shut off either by the control-lers break of the line circuit or fromsome other cause. This brake in itself has sufficient capac-ity to hold the full load when the currentis cut off. The mechanical brake is in-stalled in the gear train and is used toprevent any acceleration of the load, whenlowering. The Whiting brake for in-stance is so designed, that if anythingshould ha
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