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Charles Lang Freer Papers
Division of Work and Industry Lantern Slide Collection
Garage ventilation section
Figure, Rocket transportation
Figure, Object transportation on sled
Figure, French lever movement number 1
Figure, French lever movement number 2
Figure, French lever movement number 3
Figure, French lever movement number 4
Figure, French lever movement number 5
Figure, Descending staircase
Fifty ton turbine hauled by R. S. Brine Transportation Company
Coast defense gun crossing, Bennington Street Bridge
Coast defense gun hauled by R. S. Brine Transportation Company
Coast defense gun hauled by R. S. Brine Transportation Company
Medieval hoisting methods, illustration