Manufacturers and exporters of all types of scientific & laboratory instrument, Laboratory Glassware & Plastic-ware & Porcelain-ware, Medical & Surgical Equipment, Biological Models, Anatomical Models & Charts. Dealers enquires are solicited for the company
 

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SIREN DISC
 
SIREN DISC (1440)
The disc has four sets of drilled holes arranged in co-centric circles. The number of holes in each circle are 34,45,54 and 72 respectively. For use with whirling stand.

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