Small Indirectly Vented Anti-Fog Safety Goggles with UV Protection Chemical_Phenolphthalein suited to outdoor surveying and

suited to outdoor surveying and long-distance laboratory measurement

Straight receiver adapter in borosilicate glass features 14/23 socket for distillation collection and chemistry apparatus connections

Automatic Burette is self-zeroing and provides a completely closed system

perpendicular pulley rod

Greatly magnified transverse dicot stem model on a mounted base exposes vascular bundle arrangement and primary tissue layers for advanced botany teaching

Small Indirectly Vented Anti-Fog Safety Goggles with UV Protection Chemical_Phenolphthalein suited to outdoor surveying andStudent sized safety goggles with indirectly vented hooded ports, sized to fit over prescription eyeglasses and sealed against splash while preventing fog during extended bench work.