Comet Spherometer - Brass Dial Head - Includes 3 Steel Legs - 1mm Pitch, 0-10mm Micrometer Scale - For Use in Measuring the Radius of Curvature of Spherical Lenses - Double Disk

About this item

• MICROMETER || Economy spherometer instrument used to measure the radius of curvature of a sphere or curved shape, most commonly of a lens - Used in optometry
• USES || Features a fine screw moving in a nut on a three-legged frame forming a triangle - Based on the principle of screw
• PARTS || Consists of a base circle of three legs, a central leg ( Made up of Mild Steel) that can be raised and lowered, and a reading device. Disk and Marking Parts Made up of Brass C.P.
• MEASUREMENTS || 40mm diameter dial head - 1mm pitch with 0.01mm count - 10-0-10mm vertical main scale - 10mm on prongs with micrometer scale with 100 divisions
• DURABLE & STURDY || Made of high quality brass and stainless steel - Built to last