Spherometer

Description
A spherometer is a device used primarily for measuring the curvature of objects such as lenses and curved mirrors. For further information about spherometers, see object MA*315739. This spherometer is very small, measuring just over 6 centimeters across. It has both a vertical and horizontal scale. It comes in a small cylindrical box, reminiscent of a hat box, marked Germany but no maker is evident.
Location
Currently not on view
Object Name
spherometer
date made
ca 1900
Physical Description
paper (case material)
metal (instrument material)
Measurements
overall: 6.4 cm x 6.2 cm x 6.2 cm; 2 17/32 in x 2 7/16 in x 2 7/16 in
place made
Deutschland
ID Number
MA*335272
accession number
314637
catalog number
335272
subject
Science & Mathematics
Spherometers
Mathematics
See more items in
Medicine and Science: Mathematics
Spherometers
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of Edith R. Meggers
Additional Media

Visitor Comments

Add a comment about this object

**Please read before submitting the form**

Have a comment or question about this object to share with the community? Please use the form below. Selected comments will appear on this page and may receive a museum response (but we can't promise). Please note that we generally cannot answer questions about the history, rarity, or value of your personal artifacts.

Have a question about anything else, or would you prefer a personal response? Please visit our FAQ or contact page.

Personal information will not be shared or result in unsolicited e-mail. See our privacy policy.

Image CAPTCHA
Enter the characters shown in the image.