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621.38 Col / J : Telephone to smartphones / by Jennifer Colby.
|
2020
|
1
|
|
621.38 FON / J : Squishy circuits / by Kristin Fontichiaro and AnnMarie P. Thomas.
|
2015
|
1
|
|
621.38 KOP / J : Maker projects for kids who love electronics / Megan Kopp.
|
2017
|
1
|
|
621.38 KUL / J EASYREAD : Listen up! : Alexander Graham Bell's talking machine / by Monica Kulling ; illustrated by Richard Walz.
|
c2007
|
1
|
|
621.38 M / J : Morse, Marconi, and you / Irwin Math ; diagrams by Hal Keith.
|
c1979
|
1
|
|
621.38 Mat / J : Morse, Marconi, and you / Irwin Math ; diagrams by Hal Keith.
|
c1979
|
1
|
|
621.38 Mur / J : Artificial intelligence / by Julie Murray.
|
2021
|
1
|
|
621.38 NAR / J : The history of television / Don Nardo.
|
c2010
|
1
|