Here are some facts about sewing and washing machines. Did it take much time to create the machines we use today? Fill in the blanks with the verbs that suit

1)    Many American inventors tried to find ways to ease the process of washing. By 1873,
some 2,000 patents had been issued for washing machines.  Most of these machines
were clumsy devices with washer blades that had to be turned by hand.
2)    In the early 1900s, electric machines appeared. Advertisements proclaimed the won
ders of these machines. But it was not until about 1937 that manufacturers came up with
fully automatic machines. Within a few years, the old washboard was washed up for ever.
3)    In  1830, Barthelemy Thimonnier designed and made the first sewing machine. The
machine was made of wood, but it worked. Later Thimonnier improved his machine and
in 1&45 he protected it with patents both in England and the United States.
4)    Between 1832 and 1834 the American Waiter Hunt had designed and made a more
advanced sewing machine than that which had been invented by Thimonnier.
5)    In the middle of the 19th century, although it had been tested, the sewing machine
didn't interest very many people.
6)    The American Isaac Merntt Singer made some improvements to the machine that had
been invented by Howe and patented it.
7} Later the automatic feeding of the cloth that had been introduced by the American Allen 8. Wilson improved the sewing machine greatly.
8)    In 1851, another American William O. Graver invented a machine which made the dou
ble chain stitch.