For more details on how to distinguish popular, trade and scholarly journals, see: Popular vs Trade vs Scholarly Journals. See also Evaluation Clues for Articles Taken from the Web.
Edison Temperature Yesterday. Maximum temperature yesterday: 34 Â°F (at 1:51 pm) Minimum temperature yesterday: 25 Â°F (at 6:51 am) Average temperature yesterday: 29 Â°F. High & Low Weather Summary for the Past Weeks
The patent awarded to Edison on February 19, 1878, specified a particular methodâembossingâfor capturing sound on tin-foil-covered cylinders. The next critical improvement in recording technology came courtesy of Edisonâs competitor in the race to develop the telephone, Alexander Graham Bell.