Laboratory Grade Crystalline Sodium Chloride, 2.5kg Item Type_Cell Model this insulated wire keeps polarity

this insulated wire keeps polarity color-coded across the mid-distance between instruments and student-built bench circuits

Demonstration apparatus for measuring plant transpiration

Projector e*uipped with two halogen lamps with *uick changer lamp which can be operated from outside

Fine-mesh dual-purpose net captures adult insects overhead and aquatic larvae below the surface for field entomology and life-cycle observation work

Erlenmeyer Flask with a 250mL capacity and narrow neck is made of heavy-duty borosilicate 3

Laboratory Grade Crystalline Sodium Chloride, 2.5kg Item Type_Cell Model this insulated wire keeps polarityLarger crystal 2. 5kg of laboratory grade sodium chloride, the slower dissolving variant of the fine crystalline form for salt crystal growing demos and solubility rate experiments.