Front:
HRAF DER FORE
75305
D. R.T.
7505
M. C. R. R.
NEW YORK
CENTRAL
LINES
7505
CCC&S'L
Electric Engine and Power House of Detroit River Tunnel, Detroit, Mich. 13130
Back:
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
