Melting Point Apparatus

Melting Point Apparatus

<< >>
Usage conditions apply
This device determined the melting point of flammable substances. The “P. MILLSPAUGH PAT. APP’D FOR ’71” inscription is that of Pethuel Millspaugh (1821-1886), a resident of Kent, Conn. who was concerned with kerosene accidents. The original heating lamp is missing. The “W.T. and T.V. Gendar, N.Y.” inscription on the thermometer refers to William T. and Thomas V. Gendar of New York, who were in business together from 1860 to 1877, making and selling thermometers, hydrometers, and similar instruments.
Ref: Pethuel Millspaugh, “Improvement in Testing Burning Fluids,” U.S. Patent 127,259 (May 28, 1872).
Pethuel Millspaugh, Kerosene Accidents, and How to Prevent Them (New York, 1874).
“Improved Apparatus for Testing Illuminating Oils,” Scientific American (March 18, 1876), p. 182.
Currently not on view
Object Name
Melting Point Apparatus
date made
W. T. & T. V. Gendar
Associated Place
United States: New Jersey
base: 5 in x 3 1/2 in; 12.7 cm x 8.89 cm
top: 4 1/2 in x 2 1/2 in; 11.43 cm x 6.35 cm
overall: 10 1/2 in x 3 9/16 in; 26.67 cm x 9.04875 cm
ID Number
catalog number
accession number
Credit Line
Gift of Brown University
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.


Add a comment about this object