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Optically Worked Double Convex Glass Lens, 75mm Diameter, 1000mm Focal Length Material_Brass Compares 2-

SKU 68158979050
4.9
Optically Worked Double Convex Glass Lens, 75mm Diameter, 1000mm Focal Length Material_Brass Compares 2-
Optically Worked Double Convex Glass Lens, 75mm Diameter, 1000mm Focal Length Material_Brass Compares 2-
Optically Worked Double Convex Glass Lens, 75mm Diameter, 1000mm Focal Length Material_Brass Compares 2-
Optically Worked Double Convex Glass Lens, 75mm Diameter, 1000mm Focal Length Material_Brass Compares 2-
Description

Compares 2-

holding pH stable at 25 degrees C for calibrating meters and electrodes at the standard low-acid reference point

Used to add variable resistance while keeping the slide-wire wiper enclosed

Plastic-bodied wave apparatus with eccentric discs that drive metal rods up and down as the handle turns

Optically Worked Double Convex Glass Lens, 75mm Diameter, 1000mm Focal Length Material_Brass Compares 2-Designed for parallel beam refraction work, this 75mm double convex glass lens at 1000mm focal length runs at f 13, near collimated for astronomical analogue and long throw projection setups.

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