Jerry
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Physics
Forces
STEEP Forces
Technology (1829)
Types of Technology
General Purpose Technologies (the original GPTs)
Computers
PCs (1981 Personal Computers)
Portable Computers
Attachments
Portable computer - Wikipedia
Parents
PCs (1981 Personal Computers)
Portability
Children
Compaq
GRiD Systems (1979-1988)
Kaypro (1952 as Non-Linear Systems)
Laptops
Osborne 1 (1981)
Xerox NoteTaker (1978)
Zenith Data Systems Z-171-42 Portable Computer “Lunchbox” (1985)