1.5m Aluminum Optical Bench Subcategory_Spectroscopy each with an 8-inch external

each with an 8-inch external probe on a 36-inch cord for class-wide temperature measurement from -50 to 300°C at ±1°C accuracy

Half life-size circulatory system board traces arterial and venous pathways from heart to peripheral capillaries with numbered

tapered spout

retaining magnetic strength through repeated handling and storage cycles

varying length isolating density as the single variable across materials

1.5m Aluminum Optical Bench Subcategory_Spectroscopy each with an 8-inch externalSingle channel aluminum 1. 5 meter bench on leveling screw feet, equipped with heavy sliders whose fine index marks give repeatable readouts for image formation and focal length measurements.