Forensic Chemistry of Unknown Substances Small Group Learning Kit Microscopy_Microscopes & Accessories this 4-inch catch bucket with

this 4-inch catch bucket with handle collects water displaced by submerged objects

Longitudinal head-throat-lung cross section reveals the full air pathway from nostrils through trachea to alveoli at half life size for respiratory teaching

Graduations marked every 100ml

Thirty-two-inch advanced pulley demonstration set with 8 singles

Heavy-duty reed switch on a demonstration base with 4mm plug connections

Forensic Chemistry of Unknown Substances Small Group Learning Kit Microscopy_Microscopes & Accessories this 4-inch catch bucket withSmall group forensic unknown kit explores chemical identification through systematic testing, analytical chemistry, and criminal investigation simulation.