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2400 M Street, NW, Washington, D.C..
HRM22A64_039

2400 M Street, NW, Washington, D.C..

Central Park, New York, NY.
HRM22A65_042

Central Park, New York, NY.

Telescope Module, Hopkins Ultraviolet Telescope, 1990s. Creator: Johns Hopkins University.
HRM21A88_244

Telescope Module, Hopkins Ultraviolet Telescope, 1...

Goodyear 'Pilgrim' airship, 1925, (1932). Creator: Unknown.
HRM19D52_086

Goodyear 'Pilgrim' airship, 1925, (1932). Creator:...

Sir William Crookes (1832-1919), English chemist and physicist, 1926. Artist: Unknown
HRM19C36_295

Sir William Crookes (1832-1919), English chemist a...

Cryostat for COBE satellite, 1989, USA. Artist: Unknown
HRM19B63_351

Cryostat for COBE satellite, 1989, USA. Artist: Un...

Medal commemorating Pierre Janssen and Norman Lockyer, French and English astronomers, 1868. Artist: Unknown
HRM19B66_320

Medal commemorating Pierre Janssen and Norman Lock...

Pierre Janssen and Joseph Norman Lockyer, French and English astronomers, 1868. Artist: Unknown
HRM19B66_319

Pierre Janssen and Joseph Norman Lockyer, French a...