79
M. P.479D 8 x 10%
10-15-12
Pennsylvania Railroad Company
PHILADELPHIA, BALTIMORE & WASHINGTON RAILROAD COMPANY
NORTHERN CENTRAL RALLWAT CONTANT
WHer JERSEY & SEASHORES RAILROAD COMPANY
SHEET No. 7670 TEST DEPARTMENT
____________BRAKE TESTS -W.ANA S.R.R.--------------------------------ALTOONA, PA. 8-22-1913
Fig. 46.
BRAKE CYLINDER PRESSURE, UC PNEUMATIC EQUIPMENT.
This diagram shows a partial service followed by an emergency application. The rapid rise in pressure
clearly marks the emergency application. The non-uniformity of the service application has been greatly
reduced as will be seen on the diagram on page 112.