|locations from From the Earth to the Moon|
The Gun Club of Baltimore is at number 21
The Harvard-Smithsonian Center for Astrophysics
"The Observatory at Cambridge"
9 Baltimore Street
The Baltimore Bank
West Point Foundry, Cold Spring, New York
Manufacturers of the Columbiad
Albany, New York
The projectile cast by Breadwill and Co.
Long's Peak, Colorado
The great telescope of the Rocky Mountains