91
M. P. 479 D
PENNSYLVANIA RAILROAD COMPANY
PHILADELPHIA, BALTIMORE & WASHINGTON RAILROAD COMPANY
NORTHERN CENTRAL RAILWAY COMPANY
WEST JERSEY & SEASHORE RAILROAD COMPANY
Sheet No. 2872__test department
_______BRAKE TESIS-WJANOSRA....................... _ ALTOONA, PA 8-2.2-//3
======== iäsiäs«:
Hit
ML
III
Fig. 55.
BRAKE CYLINDER PRESSURE, UC PNEUMATIC EQUIPMENT.
The emergency application without the electric control is here illustrated. The slow serial action
shown by the spacing of the vertical lines has been improved by a slight alteration in the valves subsequent
to the test here shown. The figure on page 116 shows this improvement.