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Invention of the Refrigerator Car
J.B. Sutherland of Detroit, Michigan invented a new and improved refrigerator boxcar, also known as a "reefer". These cars are used to provide a specific temperature range for the transportation of perishable goods. -
Invention of the Cash Register
James Ritty of Dayton, Ohio invented certain new improvements to the cash register. This timeless machine is used is for calculating and recording sales transactions and still proves itself to be an invaluable part of businesses today. The early register was mechanical in nature and thought to be nothing more than an adding machine. -
Invention of the Automatic Electric Fire Alarm (smoke detector)
Francis B. Upton of Peabody, Massachusetts, was an associate of Thomas Edison. The fire alarm is a device that senses smoke, which is usually an indicator of fire. Smoke detectors range in shape and size depending on the structure that they service. Large corporations and businesses usually have their smoke detectors linked to a fire alarm system. Households usually have multiple ones installed throughout the home, ideally on each level of the home. -
Invention of Nickel Zinc Battery
Thomas A. Edison of Llewellyn park, NJ invented the Nickel Zinc battery which is a type of rechargeable battery with a voltage up to 1.6. The battery went on to utilized first on a railway line. The batteries did prove to be successful, but were withdrawn when they wore out. -
Invention of the Instant Camera
Samuel Shlafrock of New York, NY(the bronx) invented the earliest known instant camera. His main objective was to provide a camera and a "dark room" in one compartment and thus making it portable. This invention paved the way for for more high tech instant cameras to be developed. Instant cameras have provide many uses since first being invented. From households to businesses to police departments, being able to have an instant photo has proved valuable. -
Invention of the Electric Garage Door Opener
C.G. Johnson of Hartford City, Indiana invented the electric overhead garage door opener. This device found it's popularity after World War II when the Era Meter Company of Chicago offered one. The electric garage door opener still proves to be one of the most convenient inventions to benefit the household today.
