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.
American inventor Thomas A. Edison and an unidentified man talking to each other outside what appears to be Edison's Seminole Lodge in Fort Myers, Florida. Man shows a paper to Edison. The man escorts Edison in the garden. The man holding Edison’s arm as they walk together. A young man walking in baseball park. A sign advertises the Pollock Lumber Company in the background. The young man smiles in front of the camera. Cars driving past entrance to Edison Park at 2404 McGregor Boulevard, Fort Myers, FL 33901. A car enters the park. The Spirit of Fort Myers statue by Helmuth von Zengen is seen. Park sign reads ‘Substantial…Edison Park.’
An early electric streetcar parked in train yard. Edison batteries are seen installed under the streetcar. Vintage electric streetcar underway. An L. Bamberger & Co. (also known as Bamberger’s) Department Store electric delivery van drives to a building. An electric luggage car stops in front of a train carriage. A man driving a motorized electric cart and carrying boxes of sugar next to an “American Sugar” train car. A man operates an electric motorized cart carrying a crate marked, "General Electric Co. inside a warehouse. A warehouse employee drives an electric motorized vehicle pulling carts filled with barrels.
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.
Railway car with lighting powered by Edison batteries (also known as nickel-iron battery or NiFe battery) in the United States. A man opens the compartment under a train that contains Edison batteries, also known as storage batteries. He pulls out one of the storage batteries inside the compartment. Lights inside the train car. Train signal moving. A switch tower in a train junction. Engineers operate control in tower to change switch direction. Railroad switch moving. Locomotive and train moving down track.
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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