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$1.6-inch achromatic refracting telescope$

1.6-inch achromatic refracting telescope

John Dollond (II)

1800-1810

$2.75-inch refracting telescope$

2.75-inch refracting telescope

John Dollond (II)

1800-1810

$2.75-inch refracting telescope$

2.75-inch refracting telescope

Samuel Thaxter & Son

1822-1843

$2-inch refracting telescope$

2-inch refracting telescope

Matthew Berge

circa 1800

$3.4-inch refracting telescope$

3.4-inch refracting telescope

Joseph von Fraunhofer

1819-1826

$altazimuth mount and tripod for 3.4-inch refracting telescope$

altazimuth mount and tripod for 3.4-inch refracting telescope

Joseph von Fraunhofer

1819-1826

$altazimuth mount and tripod for Berge 2-inch refractor$

altazimuth mount and tripod for Berge 2-inch refractor

Matthew Berge

circa 1800

Image Not Available

Baker Super-Schmidt 12.25-inch f/0.65 meteor camera

James G. Baker

circa 1951

comparative display of relays for Harvard Mark I-IV computers

Harvard Computation Laboratory

1944-1952

comparative display of standard counters and later IBM ASCC-Mark I counters

International Business Machines Corporation

1929-1938

Image Not Available

crate lid for shipping Super-Schmidt meniscus lens to Whipple

Perkin-Elmer Company

1949-1951

Image Not Available

crate lid for shipping Super-Schmidt meniscus lens to Whipple / Goddard

James G. Baker

1949-1951

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My Object Lists

1.6-inch achromatic refracting telescope

2.75-inch refracting telescope

2.75-inch refracting telescope

2-inch refracting telescope

3.4-inch refracting telescope

altazimuth mount and tripod for 3.4-inch refracting telescope

altazimuth mount and tripod for Berge 2-inch refractor

Baker Super-Schmidt 12.25-inch f/0.65 meteor camera

comparative display of relays for Harvard Mark I-IV computers

comparative display of standard counters and later IBM ASCC-Mark I counters

crate lid for shipping Super-Schmidt meniscus lens to Whipple

crate lid for shipping Super-Schmidt meniscus lens to Whipple / Goddard