Porosity Apparatus


This porosity apparatus--also known as a filter (or filtering) cup--showed that, with sufficient pressure, mercury can be forced through wood. This example was purchased from Fortin & Hermann, in Paris, in 1830, for the use of cadets at the U.S. Military Academy.

Location: Currently not on view

See more items in: Medicine and Science: Physical Sciences


Exhibition Location:

Data Source: National Museum of American History

Id Number: PH.315753Catalog Number: 315753Accession Number: 217544

Object Name: porosity apparatus

Measurements: overall: 4 3/4 in x 2 1/2 in; 12.065 cm x 6.35 cmoverall: 4 3/4 in x 2 1/2 in; 12.065 cm x 6.35 cm

Guid: http://n2t.net/ark:/65665/ng49ca746ad-5087-704b-e053-15f76fa0b4fa

Record Id: nmah_1390949

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