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Brake Tests

Jernbanebremser

År: 1913

Forlag: Pensylvania Railroad Company

Sted: Altoona, Penna.

Sider: 401

A Report Of A Series Of Road Tests Of Brakes On Passanger Equipment Cars Made At Absecon, New Jersey, In 1913

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Side af 426 Forrige Næste
29 Fig. 16. SLACK ACTION RECORDER. This instrument was used to record the extension and recoil of the drawbars or the motion between the cars. A typical record is shown in Fig. 86. Fig. 17. CHRONOGRAPH. This instrument was located in the cabin alongside of the test track. It made a record of the opening of the track circuit breakers, and from this record the initial speed of the train and its deceleration during the stop were calculated.
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