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Propeller pattern, early 20th century

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Propeller pattern, early 20th century
Smithsonian Institution, Photo by Richard Strauss, Negative #: 2006-9729


This object appears in the following sections:

Marine Patent Models — Moving Forward

Propeller pattern
Catalog #: 337,083, Accession #: 1978.2282
In collection
From the Smithsonian Collection

This wooden model represents a design for a screw propeller. Found in the Smithsonian's collections in 1979 and presumed to be from the first half of the twentieth century, the model's origins remain unknown. Raised letters on one of its two blades say "Pat appli'd for," but its patent number and date have not been found.

Physical Description

This propeller pattern is made of black painted wood. About one inch of the tip of one blade is missing; about three inches from the corresponding tip of the other blade are also missing. The model is 22 inches across.

Date Made:
about 1920
Dates Used:
1900 - 1950
Found in collection

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