Cabinet, Medicine

1971.091.001Object

Machine, Sewing

1971.087.052Object

Calculator, Desk

1969.209.002Object

Burroughs Calculator

Negative, Glass-plate

1969.012.097Photo

Launching of the Ashtabula at St. Clair

Print

1968.205.001Archive

Wolverine

Lithograph

1968.123.015Archive

St. Mary's Falls Canal,
Figure 1, Pier Revetment.
Figure 2, Crib in South West Pier

Lithograph

1968.123.014Archive

St. Mary's Falls Canal,
Movable Dam. Arrangement of Wickets and Counterweight.

Lithograph

1968.123.013Archive

St. Mary's Falls Canal,
The Movable Dam

Lithograph

1968.123.012Archive

St. Mary's Falls Canal,
The Valves and Valve Engines.
The Accumulator.

Lithograph

1968.123.011Archive

St. Mary's Falls Canal,
The Accumulator Pumps

Lithograph

1968.123.010Archive

St. Mary's Falls Canal,
Turbine Casing and Gearing

Lithograph

1968.123.009Archive

St. Mary's Falls Canal,
The South Leaf of the Upper Guard Gate.
The Gate Engines.