Haverhill Public Library
TECHNOLOGY & ENGINEERING / Mechanical
Type
http://bibfra.me/vocab/lite/Concept
Label
TECHNOLOGY & ENGINEERING / Mechanical
Name
TECHNOLOGY & ENGINEERING / Mechanical
Source
bisacsh
Focus
TECHNOLOGY & ENGINEERING / Mechanical
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2
Talking to robots, tales from our human-robot futures, David Ewing Duncan
Saving the day, Garrett Morgan's life-changing invention of the traffic signal, by Karyn Parsons ; illustrated by R. Gregory Christie
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TECHNOLOGY & ENGINEERING / Mechanical
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