Men prepare a VB-13 Tarzon missile (also known as ASM-A-1 Tarzon), a freefall vertical guided bomb. The missile contains a British Tallboy 12,000-pound (5,400 kg) bomb.
A Jeep or hauls a 13 foot rocket to launch tower. Men putting the rocket into place in launcher. The smoke flare signal rises on top of the control house. The rocket and its flame from exhaust is seen from its vertical tower launch pad. The acid fueled rocket misfires and fails to launch.
Men shoveling pile of coal near a factory during World War II. Pile of coal outside a factory or power plant. A locomotive train transporting coal cargo. Mass of oil derricks on oil field with pumpjack working in the foreground.
Thomas A. Edison and his wife, Mrs. Mina Miller Edison, possibly on the grounds of Edison Park in Fort Myers, Florida. The couple walking down path in tropical garden toward a small pool. There is a microphone standing in front of the pool. A man meets Edison and gives him a paper. Mrs. Edison is holding a corsage. The Edisons meet with a group of men including businessman Harvey Samuel Firestone Sr. and his son Harvey Samuel Firestone Jr. A man hands a hat to Thomas Edison. Thomas Edison, possibly Henry Ford, and another man visit a rose garden. Thomas Edison picks a rose in the garden. Thomas Edison and (possibly) Henry Ford both looking at the rose.
Photo of a miner digging and words above him read “Provide safe lighting and economical hauling for mining operations”. A young miner shows off his uniform and lighting headgear powered by an Edison battery. Battery powered electric locomotive pulling ore carts emerges from mine tunnel.
How Edison batteries function. The are also known as nickel-iron battery or NiFe batteries. An animated diagram shows how nickel iron alkaline storage batteries such as Edison batteries store and generate energy. The diagram shows the battery, generator, switch, motor, and a light bulb. An early nickel-iron Edison battery in wooden box. A later version of the nickel-iron battery invented by Thomas A. Edison in 1909. Pie chart showing the market share of Edison batteries over other portable batteries in 1926. Photograph of German-born American mathematician and electrical engineer Dr. Charles Proteus Steinmetz, "The Wizard of Schenectady". Slate bearing a commentary on from Dr. Steinmetz claiming "complete reversibility" of the Edison battery reaction. Diagram shows the reversible cycle of a portable battery. Animation in the diagram shows how energy is stored in the battery- the oxygen contained in the negative plate is forced to the positive plate by the charging current. The animation demonstrates the discharge of the battery. Plates from used Edison batteries show little decay after years of use.
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