SIC870348: The Buddy 'L' Railway Dredge, Locomotive Wrecking Crane, Railway Steam Shovel And Railway Pile Driver / Bridgeman Images

SIC870357: The Buddy 'L' Road Roller / Bridgeman Images

SIC870788: Chemical Treatment Plant At A Petroleum Refinery / Bridgeman Images

SIC870803: Men On Board The USS George Washington Submarine, At Work On The Tube In The Lower Missile Level / Bridgeman Images

SIC870806: Men On Board The USS George Washington Submarine, Who Are Stationed In The Center Missile Level / Bridgeman Images

SIC870809: Talos Surface To Air Missile / Bridgeman Images

SIC870818: Polaris Rocket / Bridgeman Images

SIC870399: Image OF Men Working Around A Test Fire Pouring Powder During The First Test Fire Which Is Being Conducted On Tank 559 / Bridgeman Images

SIC870833: A Train On The Baltimore And Ohio Railroad Going Through Youghiogheny Valley / Bridgeman Images

SIC870438: Automatic Transportation Company's Type LG-3-4 Elevating Platform Truck / Bridgeman Images

SIC870851: The 7618 Locomotive Of The Baltimore And Ohio Railroad / Bridgeman Images

SIC870546: Western Electric Company's Power Amplifier Unit / Bridgeman Images

SIC870552: Westinghouse Electric And Manufacturing Company's Building Floodlight Equipment Lighting Up The National Life Insurance Building In Toronto, Canada / Bridgeman Images

SIC870920: The California Zephyr In Feather River Canyon / Bridgeman Images

SIC870555: Westinghouse Electric And Manufacturing Company's Floodlight Equipment Lighting Up Olympic Pool In Los Angeles, California / Bridgeman Images

SIC870564: Westinghouse Electric And Manufacturing Company's Sixteen Inch Floodlights Type CAG-16 And Type CA-16 / Bridgeman Images

SIC870938: Natural Gas Energy Exhibit / Bridgeman Images

SIC870585: Westinghouse Electric And Manufacturing Company's Sodium Lighting Fixtures Being Used To Light Up Roads At Night / Bridgeman Images

SIC870380: Image Of Washington, District Of Columbia, Showing The United States Capital As It Appeared During The Nineteenth Century / Bridgeman Images

SIC870473: Automatic Transportation Company's Type CEG Revolving Crane Truck / Bridgeman Images

SIC870479: A Man Using An Automatic Transportation Company's Automatic Truck To Move Heavy Loads Within A Factory / Bridgeman Images

SIC870482: A Man Using An Automatic Transportation Company's Automatic Truck Unit / Bridgeman Images

SIC870506: Western Electric Company's Model 212-D, 228-A & 211-D Amplifying And Modulation Tubes, Used In A Number 6-B Transmitter / Bridgeman Images

SIC870512: Western Electric Company's Table And A Floor Type Condenser Transmitter Mounting / Bridgeman Images

SIC870530: Western Electric Company's Oscillator Unit / Bridgeman Images

SIC870566: Westinghouse Electric And Manufacturing Company's Twelve Inch Floodlights Type CAG-12, Portable Type CAGP-12, And Type SA-12 / Bridgeman Images

SIC870581: Westinghouse Electric And Manufacturing Company's Globe Type Floodlights For Underwater Lighting / Bridgeman Images

SIC870599: Various Major Equipment Company's Equipment Used To Make Up A Floodlight Unit / Bridgeman Images

SIC870608: Westinghouse Electric & Manufacturing Company's Light Weight, Low Floor City Car For The Galveston Electric Company / Bridgeman Images

SIC870321: The Buddy 'L' Big Derrick / Bridgeman Images

SIC870668: Westinghouse Electric & Manufacturing Company's City Car Belonging To The United Railways And Electric Company In Baltimore / Bridgeman Images

SIC870680: Drawing Of The Dimensions Of The Westinghouse Electric & Manufacturing Company's Thirty-Five And Fifty Horse Power Motors And WN Drive / Bridgeman Images

SIC870683: Westinghouse Electric & Manufacturing Company's Light-Weight Low-Floor City Car Belonging To The Eastern Massachusetts Street Railway / Bridgeman Images

SIC870698: Westinghouse Electric & Manufacturing Company's Light-Weight, City And Suburban Car Belonging To The Detroit United Railway / Bridgeman Images

SIC870722: Westinghouse Electric And Manufacturing Company's Safety Car, Number 162, In Seattle, Washington / Bridgeman Images

SIC870737: Westinghouse Electric And Manufacturing Company's Safety Car, Number 5022, Making Its Rounds Through A City / Bridgeman Images