0812

 TEST TUBES

0813

 TEST TUBE STAND, WOOD

0814

 TEST TUBE STAND, POLYTHENE

0815

 TEST TUBE STAND, ALUMINIUM

0816

 TEST TUBE HOLDER, WOODEN

0817

 TEST TUBE HOLDER, WIRE

0818

 TEST TUBE HOLDER

0819

 TEST TUBE HOLDER

0820

 TONG, BEAKER

0821

 TONG, FLASK