* A compact Histamine Aerosol apparatus consisting of a clear perpex exposition chamber.
* Chamber is divided in two sections an all glass nebulizer.
* Dial type sphygmomanometer for assay of anti-histamines drug on guinea-pigs etc.
* It consist of electronically controlled variable speed electronic motor with timing belt driven mechanism.
* Speed controller is provided to control the speed of stirrers from 5 to 150 RPM.
* Stainless Steel are provided.
* The apparatus comprises of a calibrated arc., revolving chart holder.
* The object carrier which moves over the arc, contains five colors and five apertures of different diameter, calibrated scale.
* At the back of the arc arrangement is provided for fixing of chart which has concentric circles corresponding to the degrees of arc.
* Adjustable chin rest.