Box 1
Container
Contains 23 Collections and/or Records:
Cables, 1939-1940
File — Box: 1
Elevated Railway, 1890
File — Box: 1
Monorails, n.d., 1921
File — Box: 1
Safety Glass, 1934-1939
File — Box: 1
Trackless Trolleys, 1922-1937
File — Box: 1
Ventilation and Heat, 1931-1933
File — Box: 1
General, n.d., 1944
File — Box: 1