TCoCD: Sicos green mouse

top view (click for larger image, 52k)

buttons

2 + one sideways

mechanism

ball, optical sampling

interface

serial (DB 9f)

made by

BMC

controller

BMC 70-0010 (BMC)

63 mm

111 mm

29 mm

160 g

manufacturing date

1994

Yes, the case looks like a kind of marble.
The spots are not dirt or scratches.

bottom view (click for larger image, 74k)

inside (click for larger image, 79k)

detail (click for larger image, 83k)

detail: underside of the board (click for larger image, 86k)