Optical Instrument
Optical Instrument
- Description
- Laban Heath (1837-1894) was a New England engraver who was particularly interested in detecting counterfeit currency. This is the patent model for his convertible optical instrument that could be used as a microscope, a telescope, or a magnifying glass. The inscription reads "L. HEATH."
- Ref: Laban Heath, “Improvement in Optical Instruments,” U.S. Patent 54,542 (May 8, 1866).
- Location
- Currently not on view
- Object Name
- Optical Instrument
- Object Type
- Patent Model
- maker
- Heath, Laban
- place made
- United States: Massachusetts, Boston
- Measurements
- overall: 3 3/8 in x 1 7/8 in; 8.5725 cm x 4.7625 cm
- ID Number
- PH.308997
- catalog number
- 308997
- accession number
- 89797
- patent number
- 54,542
- See more items in
- Medicine and Science: Physical Sciences
- Data Source
- National Museum of American History
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