Front:
Patent Office, Washington, D. C.
Back:
Syrighted 1910 by A. C. Bosselman, New York.
Mark
am
11576,
PATENT OFFICE. Occupies the
space between Seventh and Ninth and
F and G Sts, N. W. Is open from 9:00
a. m. to 2:00 p. m. In the vast corridors
are models and specifications of everything
years.
TWO CENTS
