Objects

Filter
Collect

Objects

1 to 12 of 1,500

$0.875-inch refracting telescope$

0.875-inch refracting telescope

French

circa 1900

$0.875-inch refracting telescope$

0.875-inch refracting telescope

French

circa 1900

1-1-10 ampere shunt

Weston Electrical Instrument Corporation

late 19th-early 20th Century

$1.3-inch refracting telescope with range-finder scale$

1.3-inch refracting telescope with range-finder scale

Alvan Clark and Sons

1870

1/4-scale model of the S-055 UV spectroheliometer

Ball Brothers Research Corporation

circa 1970

$1.5-inch refracting telescope$

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

1.875 x 2.25 inch rock salt prism in sealed tube

John A. Brashear

1916

1amp shunt

Weston Electrical Instrument Corporation

circa 1912

1-inch double convex lens

American

1910-1940

2.5-inch cemented doublet lens

Alvan Clark and Sons

circa 1900

2.5-inch lens

Alvan Clark and Sons

circa 1900

Objects

Artist / Maker / Culture *

Classification / Category

Collections

Date

On View

My Object Lists

0.875-inch refracting telescope

0.875-inch refracting telescope

1-1-10 ampere shunt

1.3-inch refracting telescope with range-finder scale

1/4-scale model of the S-055 UV spectroheliometer

1.5-inch refracting telescope

1.75-inch refracting telescope

1.875 x 2.25 inch rock salt prism in sealed tube

1amp shunt

1-inch double convex lens

2.5-inch cemented doublet lens

2.5-inch lens