Recounts the story of the invention of the elevator and of its creator, tracing Otis's route from a farm boy watching ropes break on the hay hoist to his contributions to high-rise innovations and other feats of modern architecture.
Depicts inventor Elijah McCoy, the son of slaves, who studied to become a mechanical engineer in Scotland. After he returned to America, the only job with a railroad was shoveling coal into the engine's firebox. He went on to invent an oil cup that dramatically increased a train's ability to travel faster and safer.
Shares the inspirational story of African-American inventor Garrett Morgan, whose incredible safety hood became a forerunner to the gas masks that saved thousands of soldiers during World War I.
"When their neighbors the Hamms announce that they've 'gone online' by buying a telephone, Mama excitedly follows suit. Daughter Frances could not be more thrilled. But not all the Tweedles are convinced. Son Francis only has eyes for the family's electric car, and Papa worries about their privacy ..."-Dust jacket.
In 1903, when Mr. Tweedle decides to buy a car, he chooses a big, green, electric model that the people who drive cars powered by gas and by steam make fun of, until one day, when the Tweedles' reliable electric car saves the day.
A brief biography of Lillian Moller Gilbreth, who ran an efficiency consulting business with her husband Frank in New Jersey in the early twentieth century. When her husband died, leaving her with eleven children to support, she brought her experience with work efficiency to bear on her own life and put her knowledge of industrial engineering to work at making household kitchens more comfortable and efficient.
Text and illustrations offer an introduction to the life and inventions of nineteenth-century Italian inventor Guglielmo Marconi, the inventor of wireless communication.
