20 1837Samuel Morse invents a telegraph that can send short and long beeps, called “dots” and “dashes”.
21 1901Guillermo Marconi sends the first radio signal across the Atlantic Ocean.
22 900 bcChinese develop postal system to deliver written messages.
23 Cherry pitter,Simple mechanical devices such as this cherry pitter were designed and perfected during the late 1800s. Advertised as "The Family Cherry Stoner," this pitter-- intended to remove the stone without squashing the fruit-- was popular but probably did not save much labor in the kitchen.il.us/exhibits/athome/1850/ob jects/cherrypitter.htm
24 Cookstove,Cookstoves burned wood or coal more efficiently than open fireplaces and allowed more control of the fire. With this model, wood was placed in the firebox through the small door on the left side. This small fire heated the cooktop and the large oven with its door on the front. Besides cooking the stove was used for heating water, boiling the laundry, heating the sadiron, and other tasks. Although its warmth was welcomed in the winter, it added to the insufferable heat of summer. The Excelsior Stove Company operated in Quincy from 1865 to the 1930s. A similar stove made in Quincy cost $27 in 1888.athome/1850/objects/stove.htm
25 Graniteware coffee pot, ca. 1890 Porcelain enamelwares were exhibited at the Centennial Exposition in Philadelphia in and were recognized as a major improvement in the practicality and beauty of kitchenwares. Far lighter than cast iron, graniteware was unaffected by acidic foods and was easy to clean. Early pieces have a glassy, gray-mottled surface that, unfortunately, was easy to chip. Large pots like this one were sometimes called coffee boilers but could also serve to boil water for the many cleaning, bathing, and washing chores that a family faced before water heaters were available.athome/1850/objects/cherrypitter.htm
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