CHEMISTRY

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Description
This engraving is marked “Plate VIII” and “1. Machine for the Combusion of Phosphorus. 2 to 6 The Mercurial Gazometer. 7 Guyton’s Eudiometer” and “Heny Lascelles delt” and “J. Pass Sculpt” and “London, Published as the Act directs, Feby 5, 1801. By J. Wilkes.” It was prepared for the fourth volume of the Encyclopaedia Londinensis (1810).
The mercurial gasometer shown here was developed by William H. Pepys Jr., an apparatus maker in London. It was used for collecting gases that could not be maintained over water. Eudiometers measure the extent to which nitrous gases can absorb oxygen. The form shown here was described in 1795 by the French chemist Guyton de Morveau.
John Wilkes (1750-1810) was a London printer and bookseller. He compiled the Encyclopaedia Londoniensis which was published in 24 volumes between 1810 and 1828.
Ref. W. H. Pepys, “Description of a Mercurial Gazometer,” Philosophical Magazine 5 (1799): 154-157 and plate III.
Location
Currently not on view
date made
1810
place made
United Kingdom: England, London
Physical Description
paper (overall material)
Measurements
overall: 10 1/2 in x 8 1/4 in; 26.67 cm x 20.955 cm
ID Number
PH.329199
accession number
280069
catalog number
329199
subject
Chemistry
See more items in
Medicine and Science: Physical Sciences
Science & Mathematics
Prints from the Physical Sciences Collection
Data Source
National Museum of American History, Kenneth E. Behring Center

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