Inventions - Section 1 (4)
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Inventions - Section 1
| 25. | What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? |
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Answer: Option D Explanation: No answer description available for this question. Let us discuss. |
| 26. | When was the first Lionel trains manufactured? |
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Answer: Option C Explanation: Joshua Lionel Cowen and Harry C. Grant started the Lionel Manufacturing Company on Sept. 5, 1900 in New York City. The first train, which was called the Electric Express, was manufactured in 1901 and was an open gondola propelled by a fan motor. As time has passed, the trains have been made in different colors and styles. |
| 27. | What Frank Whittle invented? |
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Answer: Option D Explanation: Invented in 1937. |
| 28. | When was the Raggedy Ann doll patented? |
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Answer: Option A Explanation: Johnny Gruelle patented the Raggedy Ann doll in 1915. The Raggedy Andy doll and the Raggedy Ann books came later. |
| 29. | FROZEN FOOD - Who discovered the first practical method of freezing food? |
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Answer: Option A Explanation: In the 1920s Clarence Birdseye discovered that if food was flash-frozen under pressure, it would freeze without the formation of ice crystals. |
| 30. | Who synthesized the first wholly artificial gene? |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
| 31. | In the 1700s, who would pay the postage fee for letters before the stamp was invented? |
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Answer: Option C Explanation: Later in 1840, Rowland Hill invented the stamp, which was paid for by the sender, not the receiver. |
| 32. | In which decade with the first transatlantic radio broadcast occur? |
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Answer: Option D Explanation: On December 12, 1901, a radio transmission received by Guglielmo Marconi resulted in the first transmission of a transatlantic wireless signal (Morse Code) from Poldhu, Cornwall, to St. John's, Newfoundland. |