15mm Mini Boss Head Clamp Pack Size_7 Wooden-base Newton's color disc at

Wooden-base Newton's color disc at 13 inches tall

Hand-cranked to convert mechanical work into electrostatic energy

Open-top cylindrical dropping funnel in borosilicate glass holds 50mL with PTFE key stopcock for controlled liquid addition in chemistry procedures

expanding and closing to suit different optical-component sizes on a single bench-mounted holder

Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input

15mm Mini Boss Head Clamp Pack Size_7 Wooden-base Newton's color disc atCompact metal mini boss head sized for 15 mm rods, connecting lightweight clamps and accessories to retort stands in small scale laboratory assemblies.