Manufacturing companies' equipment and structure drawings, 1906-1945

File — Tube: 286

Identifier: XI

Staff Only

Scope and Contents

Hendrie and Bolthoff Manufacturing and Supply Co., plan and elevation for Vulcan standard engine, post brake, band clutch, plain valves and hoisting engine plan (1906, 1907)
Howe Scale Company, track scale plans and industrial scale platform
Hum-Mer Electric Screen, assembly drawings for 38 tandem and cast iron balance gate feeder (1938, 1945)

Dates

1906-1945

Conditions Governing Access

Twenty-four hour advanced notice encouraged. Materials must be used on-site. Access to parts of this Collection may be restricted under provisions of state or federal law.