Search Results: Returned 2 Results, Displaying Titles 1 - 2
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1991., Lerner Publications Call No: 529 AUST Availability:1 of 1 At Location(s) Summary Note: Discusses time, the invention of clocks to keep track of daily activities, and types of clocks from sundial and water clock to electric and atomic clocks.
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1991., Lerner Publications Call No: 302.2 AUST Availability:1 of 1 At Location(s) Summary Note: Explains different ways people have communicated throughout history up to the present day, including carrier pigeon, smoke signals, and fax.