Object Details
- Description
- An optical flat is a disc of heavy glass made perfectly flat that is used to zero out a spherometer before use in order to assure the device produces an accurate reading. A spherometer is a small 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 flat accompanies spherometer 2001.0217.07.
- Location
- Currently not on view
- Credit Line
- Gift of Department of Physics and Astronomy, Bowdoin College
- ca 1800s
- ID Number
- 2001.0217.08
- catalog number
- 2001.0217.08
- accession number
- 2001.0217
- Object Name
- optical flat
- Physical Description
- glass (overall material)
- Measurements
- overall: 1.3 cm x 10.8 cm x 10.8 cm; 1/2 in x 4 1/4 in x 4 1/4 in
- overall: 1/2 in x 4 1/4 in; 1.27 cm x 10.795 cm
- See more items in
- Medicine and Science: Physical Sciences
- Science & Mathematics
- Spherometers
- National Museum of American History
- Subject
- Mathematics
- Record ID
- nmah_1184210
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746aa-4ef0-704b-e053-15f76fa0b4fa
