Front:
7505
D. R.T.
7505
M. C. R. R.
NEW YORK
CENTRAL
LINES
7505
PAM
Electric Engine and Power House of Detroit River Tunnel, Detroit, Mich.
ECCS
1313 0
Back:
SUPERIOR
SOUVO
CHROME
PS
QUALITY
1313-ELECTRIC ENGINE AND POWER
HOUSE. These engines are used in the De-
troit River Tunnel, the ordinary engine not
being feasible on account of smoke and gas.
THIS SPACE MAY BE USED FOR MESSAGE
FOREIGN-
THIS SPACE FOR THE ADDRESS