and accurately by means of tapered ear bars which fit into the external auditory meatus. Adjustable infra-orbital clamps and a vertically adjustable tooth bar prevent rotation of the skull. Adaptor is suitable for use with Beagles, mongrels of beagle size and Macaque monkeys.

Eye Bar A/P adjustment – 20.5 mm
Tooth Bar adjustment – A/P- 79.3 mm
D/V– 36.8 mm
Adaptor Plate A/P adjustment – 31.75 mm
Ear Bars – Model 851 Standard Solid Ear Bars
(6.3 mm square with 50 mm of calibration).

Model 1535 compatible with 1530 series frame only.