. Electric railway journal . f the chart are for the purposeof changing from a two-motor to a four-motor equipment. Thecontroller is also used to show the injurious effects of throw- REPORT FROM INSPECTOR OF MOTORMEN NAME BadgeNo. AIR BRAKES CONTROLLER RunNumber MonthandDay Average No. ofApplications £ h I! . 0 8 ■a 3 aO Uses power andbrakes together i X M a £S Philadelphia Instruction System—Report Blank on Motor-mans Treatment of the Equipment ing off slowly or pinching on and off one point. This is dem-onstrated by a 2j4-amp current, which produces an arc heavyenough to short-circuit from t
. Electric railway journal . f the chart are for the purposeof changing from a two-motor to a four-motor equipment. Thecontroller is also used to show the injurious effects of throw- REPORT FROM INSPECTOR OF MOTORMEN NAME BadgeNo. AIR BRAKES CONTROLLER RunNumber MonthandDay Average No. ofApplications £ h I! . 0 8 ■a 3 aO Uses power andbrakes together i X M a £S Philadelphia Instruction System—Report Blank on Motor-mans Treatment of the Equipment ing off slowly or pinching on and off one point. This is dem-onstrated by a 2j4-amp current, which produces an arc heavyenough to short-circuit from trolley finger to Rt resistancefinger. All concealed lamps necessary for this equipment areplaced in the cabinet under the chart. On the left side of the chart is a board on which are mountedinstruments, as shown on page 833. The one at the top onthe right side is cylindrical in form and is part of a deviceto show whether the car wheels are revolving or sliding. This. Light Double Lines show Tin Lines show Tranpareut Part of Circles show Position of Solid Lines show Series Path of Lines show Wires which carry Current in Multiple and Dash Lines show Wires which carry Current only whe Motors are Cut out. Ko lrjl .—0—^—y~ K4 R3 R2 Rl ri. Wi £lcctnc R>j. Journal Lamp Circuits. — Philadelphia Instruction System—Wiring of the Instruction Board in the School Car 5 in. long. This glass is painted black with resistance and motorcircuits, arrows indicating the direction of current flow, motornumbers, etc., shown by transparent lines which are illuminatedby 16-cp lamps placed in variously shaped compartments 8 3/16in. deep. Each compartment has a sheet of ground glass of thesame shape fastened in it between the lamps and the plate glassin order to diffuse the rays of light. Each movement of thecontroller lights or darkens the proper lamps to show on thechart the changes in the path of curre
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Keywords: ., bookcentury1900, bookdecade1900, bookidelectricrailway371911newy
