SIC830978: A Farmer Using An Oliver Number 2 Cultivator / Bridgeman Images

SIC831029: View Of The Woolworth Building, Also Known As The Cathedral Of Commerce, Through The Arch Of The Municipal Building, At Dusk / Bridgeman Images

SIC831128: A Buddy 'L' Water Truck / Bridgeman Images

SIC830533: A Charles Gerard Conn All Metal Flute / Bridgeman Images

SIC830536: A Charles Gerard Conn New Wonder English Horn 16-Q / Bridgeman Images

SIC830560: A Woman Takes A Frozen Desert From A Copeland Refrigerator/Freezer Cabinet / Bridgeman Images

SIC830584: Copeland Refrigeration For The Dairy Farmer / Bridgeman Images

SIC830608: Newton Planetary Milling Machines / Bridgeman Images

SIC830635: Colburn Number 2, Special Four Spindle Manufacturing Drill Press / Bridgeman Images

SIC830662: Betts-Bridgeford Heavy Duty Car Wheel Borer With Mechanical Feed / Bridgeman Images

SIC830680: A Man Using A Colburn Number 14 Drill / Bridgeman Images

SIC830722: Hilles And Jones Straightening Rolls / Bridgeman Images

SIC830800: The New York Engineering Company's Gold Dredge In New Zealand / Bridgeman Images

SIC830806: The New York Engineering Company's Gumoas Dredge In The Philippines / Bridgeman Images

SIC830821: Men Using A New York Engineering Company Empire Drill In Korea / Bridgeman Images

SIC830624: Colburn High Production Drills / Bridgeman Images

SIC830654: Betts-Bridgeford Heavy Duty Locomotive Axle Lathe / Bridgeman Images

SIC830690: Newton Key Seat Milling Machine / Bridgeman Images

SIC830278: The Motor Driven Setworks Inside Finkbine Lumber Company / Bridgeman Images

SIC830425: Suspended Monorail System Of Railways - City Line / Bridgeman Images

SIC830853: A Stuff Chest, Stuff Box And The Jordan Engine Of A Paper Mill / Bridgeman Images

SIC831174: Architectural Detail Atop The Museum / Bridgeman Images

SIC831177: Architectural Detail Atop The Museum / Bridgeman Images

SVA833878: Khafre pyramid seen from Khufu Queens's pyramids (photo) / Bridgeman Images

SVA833890: Tomb of Idu (photo) / Bridgeman Images

SVA833911: Sneferu's Red Pyramid in Dashur (photo) / Bridgeman Images

SIC830001: A U.S. Navy Hellcat Fighter Aircraft Landing On The Deck Of A Carrier / Bridgeman Images

SIC830010: An Assortment Of Aircraft On Display At Museum Of Science And Industry / Bridgeman Images

SIC830013: The Texaco No. 13 Plane On Display At Museum Of Science And Industry / Bridgeman Images

SIC830067: A Group Of People Viewing A Display About Tody Greenberg / Bridgeman Images

SIC830085: 1773 Barrel Method, Resuscitation Technique / Bridgeman Images

SIC830094: 1886 J B Francis Method, Resuscitation Technique / Bridgeman Images

SIC830130: Two Girls Inspecting One Of The Oxygen Tanks From Skylab / Bridgeman Images

SIC830361: The Oil Pull Stationary Winch / Bridgeman Images

SIC830382: An Advance Machine Company Globe Match Vendor / Bridgeman Images

SIC830397: An Advance Machine Company Single Unit Style 'W' Package Vendor / Bridgeman Images