Graphometer

Description:

The semicircle of this graphometer is graduated to single minutes, numbered clockwise and counterclockwise, and is read by verniers at either end of the alidade to 6 minutes. The "Meurand à Paris” inscription refers to an instrument maker who worked in Paris in the latter years of the 18th century.

Ref.: Maurice Daumas, Scientific Instruments of the Seventeenth and Eighteenth Centuries, English trans. by Mary Holbrook (New York, 1972), p. 100 and p. 282.

Maker: Meurand

Location: Currently not on view

Place Made: France: Île-de-France, Paris

See more items in: Medicine and Science: Physical Sciences, Surveying and Geodesy, Measuring & Mapping

Exhibition:

Exhibition Location:

Related Publication: Daumas, Maurice. Scientific Instruments of the Seventeenth and Eighteenth Centuries

Data Source: National Museum of American History

Id Number: PH.318175Catalog Number: 318175Accession Number: 232130

Object Name: graphometer

Measurements: overall: 10 1/2 in; 26.67 cmoverall: 4 1/4 in x 11 1/4 in x 5 7/8 in; 10.795 cm x 28.575 cm x 14.9225 cm

Guid: http://n2t.net/ark:/65665/ng49ca746a5-aea6-704b-e053-15f76fa0b4fa

Record Id: nmah_748114

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.