. Railway mechanical engineer . Lincoln Arc Welder. ment may be operated on any power line which will carry a motor. The equipment is very flexible in operation as anynumber of units may be operated either individually or in paral-lel. The operator may, without the services of an electrician,connect three 150-ampere plants in parallel and secure 450 am-peres for heavy carbon electrode work and may separate theunits again in a few minutes. The positive terminal, shown atthe right, is connected to the piece to be welded. On the end of WATER GLASS GUARD Changes have recently been made in t
. Railway mechanical engineer . Lincoln Arc Welder. ment may be operated on any power line which will carry a motor. The equipment is very flexible in operation as anynumber of units may be operated either individually or in paral-lel. The operator may, without the services of an electrician,connect three 150-ampere plants in parallel and secure 450 am-peres for heavy carbon electrode work and may separate theunits again in a few minutes. The positive terminal, shown atthe right, is connected to the piece to be welded. On the end of WATER GLASS GUARD Changes have recently been made in the Babcock water glassguard with a view to materially increasing the serviceability ofthe device by providing for effective illumination of the interiorat night. This water glass guard has been in service for sometime and the general features of its construction are well consists of two parts : the back, which includes the ends and. Water Glass Guard with Slot for Illumination packing glands, and is provided with an outlet at the bottom forsteam and broken glass, and the removable front, which con-tains the sight glasses. The improvements consist in the re-design of the front casing to include a narrow slot at the apexof the angle between the faces containing the sight glasses. Infront of this slot is placed the gage lamp and the light thusadmitted thoroughly illuminates the interior of the guard, clearlyindicating the water level in the gage glass. This constructioneliminates the effect of reflection from the sight glasses whichmay be very annoying where the light must enter the guardthrough the sight glasses. This water glass guard is manufac-tured by the American Car & Ship Hardware Company, NewCastle, Pa. The Greatest Available Water Power.—Great Falls, Mont.,claims the greatest available water power on the are now operating ,000 hp,, and 100,000 hp. more isbeing developed. At the low
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
