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Sphere Newsletter (1975-1981)
Sphere computer schematics
Dual 8 inch floppy disk drive
Sphere 330 power supply
Sphere System 330 computer system
Physical object, 1975
Sphere computer systems (The Micro-Sphere 200)
Inside the Sphere microcontroller...intelligence for anything!
Sphere 300: Operator and reference manual
Expandoprom printed circuit board