0645

 DEFLAGRATING SPOON

0646

 DESICATORS

0647

 DESSICATORS PLATES

0648

 DRAINING RACK

0649

 DEWAR VESSEL

0650

 DILATOMETER

0651

 DISTILLATION APPARATUS

0652

 DISTILLATION APPARATUS QUICKER TYPE

0653

 DISTILLATION APPARATUS VERICAL TYPE