1800s Archive · Machinery & technology

An Automatic sorting machine in use in the Census Office. ...

Washington (D.C.) · 1909

An Automatic sorting machine in use in the Census Office. ..., Washington (D.C.), 1909
An Automatic sorting machine in use in the Census Office. ..., Washington (D.C.), 1909. Machinery & technology — The 1800s Archive, from the Library of Congress record.

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