TRI-NITRO-GLYCERIN,
AS APPLIED IN THE
Hoosac Tunnel, Submarine Blasting,
ETC., ETC., ETC.
BY
GEO. M. MOWBRAY,
NORTH ADAMS, MASS.
1872.
NORTH ADAMS:
JAMES T. ROBINSON & SON, PRINTERS AND BINDERS,
TRANSCRIPT OFFICE,
Transcript Building, Bank Street.
1872.
Entered according to Act of Congress, in the year 1872,
by GEORGE M. MOWBRAY,
In the Clerk’s Office of the District Court of the
District of Massachusetts.