TCoCD: Logitech M-S61

top view (click for larger image, 74k)

buttons

3 + wheel

mechanism

ball, optical sampling

interface

PS/2 (miniDIN 6m)

made by

Logitech

controller

331115-1001 S15.1

62 mm

116 mm

38 mm

120 g

manufacturing date

My only mouse that has no opening
to clean the ball and that has the wheel
mounted inside the upper half of the case.

bottom view (click for larger image, 68k)

inside (click for larger image, 82k)

detail: wheel (click for larger image, 51k)

detail: circuitry (click for larger image, 75k)