Leads and Needle Points in Case

Leads and Needle Points in Case

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Description
This 1-3/4" cylindrical metal case holds three pencil leads and three needle points for dividers. Leads and needle points were needed for drawing compasses and mechanical pencils used in engineering drawing; one often found a case like this in a set of drafting instruments. William J. Ellenberger (1908–2008) owned these objects. For his biography, see 1981.0933.25.
Location
Currently not on view
Object Name
leads and points in case
pencil leads, needle points, lead case
date made
ca 1940
place made
United States
Physical Description
steel (overall material)
lead (overall material)
metal (overall material)
Measurements
overall: 4.8 cm x.6 cm x.6 cm; 1 7/8 in x 1/4 in x 1/4 in
ID Number
1981.0933.26
accession number
1981.0933
catalog number
1981.0933.26
Credit Line
Gift of William J. Ellenberger
subject
Mathematics
Drafting, Engineering
Drawing Instruments
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Pens and Pencils
Data Source
National Museum of American History
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