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Objects by: Harvard College Observatory

Objects by: Harvard College Observatory

1 to 12 of 458 Maker Information

1/4-scale model of the UV scanning polychromator spectroheliometer, S055

1/4-scale model of the UV scanning polychromator spectroheliometer, S055

Harvard College Observatory

1970-1973

1.5-inch Cooke anastigmatic lens used in Sky Patrol cameras

1.5-inch Cooke anastigmatic lens used in Sky Patrol cameras

Taylor, Taylor and Hobson

1898

$1.5-inch refracting telescope$

1.5-inch refracting telescope

Alvan Clark and Sons

1880-1910

$1.75-inch refracting telescope$

1.75-inch refracting telescope

Alvan Clark and Sons

1880-1910

1-inch double convex lens

1-inch double convex lens

American

1910-1940

2.5-inch cemented doublet lens

2.5-inch cemented doublet lens

Alvan Clark and Sons

circa 1900

2.5-inch lens

2.5-inch lens

Alvan Clark and Sons

circa 1900

2.5 x 2.5 inch, 31° carbonic disulphide liquid prism

2.5 x 2.5 inch, 31° carbonic disulphide liquid prism

Alvan Clark and Sons

circa 1875

2.5 x 2.5 inch, 90° prism in housing

2.5 x 2.5 inch, 90° prism in housing

American

1900-1930

2.25-inch partial photographic lens

2.25-inch partial photographic lens

French

circa 1900

Image Not Available

2 aluminum-alloy mounting brackets for 12-inch Metcalf astrograph guide scope

Harvard College Observatory

circa 1932

2 frosted glass disks

2 frosted glass disks

American

1910-1940

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