ESL Grammar With Readings 3
Questions 1 through 5
In 1907, James Murray Spangler, a janitor in a Canton, Ohio department store, (1) ---- that the carpet sweeper he used was the source of his cough. He tinkered with an old fan motor and attached it to a soap box (2) ---- to a broom handle. Using a pillowcase (3) ---- a dust collector on the contraption, Spangler invented a portable electric vacuum cleaner. He then improved his basic model the first to use (4) ---- a cloth filter bag and cleaning attachments, and received a patent in 1908, and (5) ---- the Electric Suction Sweeper Company.