* Table calibrated to 360 deg
* Dial calibrated to divisions of 1 min.
* Vernier scale calibrated to 10 sec.
* 1 revolution of handwheel = 4 deg rotation of table (90:1 reduction)
* Dial quick release for rapid manual indexing.
* Diametrically opposed locks ensure positive table location.
* T-slot width 12mm
* 90:1 ratio
* Centre Hole MT3