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Specification
Specifications for Mr. S. P. Lachman for a Solid Brick Three Story, Seven Stores and Twenty-One Apartment Building Located on the North West Corner of Michigan and Wesson Avenues, Lots 1 & 2, Detroit, Michigan.
Lithograph
St. Mary's Falls Canal,
Figure 1, Pier Revetment.
Figure 2, Crib in South West Pier
Lithograph
St. Mary's Falls Canal,
Movable Dam. Arrangement of Wickets and Counterweight.
Lithograph
St. Mary's Falls Canal,
The Movable Dam
Lithograph
St. Mary's Falls Canal,
The Valves and Valve Engines.
The Accumulator.
Lithograph
St. Mary's Falls Canal,
The Accumulator Pumps
Lithograph
St. Mary's Falls Canal,
Turbine Casing and Gearing
Lithograph
St. Mary's Falls Canal,
The South Leaf of the Upper Guard Gate.
The Gate Engines.
Lithograph
St. Mary's Falls Canal,
South Leaf of the Lower Lock Gate
Lithograph
St. Mary's Falls Canal,
The New Lock (1870-1881)
Lithograph
St. Mary's Falls Canal,
The Old Locks (1853-1855)
Blueprint
40 Foot Steel Work Launch,
Displacement & Trim
for U. S. Lake Survey Office, Detroit, Michigan