All Metal Gears, Brass Fine Focus Gear, Ball Bearing Nosepiece with Positive Click Stops to Ensure Parcentration, Coaxial Focusing System with Adjustable Tension Control and Upper Limit Stop to Prevent Accidental Damage to Slides, Glass Lens in Condensing System Protects Iris Diaphragm from Classroom Tampering, N.A. 1.25 Abbe Condenser (with Slot for Sliders) on a Rack and Pinion with Iris Diaphragm, Rear Facing Quadruple
Product Information
| Category | Toys & Collectibles > Learning & Education Toys > Science Toys |
|---|---|
| Condition | New |
