A travelling microscope is a high-precision optical instrument used in Indian physics and engineering laboratories to measure small distances, diameters, and refractive indices with an accuracy typically of 0.01 mm. These instruments are widely manufactured in India, particularly in Ambala, which is a major hub for scientific equipment.
Key Features to Look For
Base Stability: A heavy cast iron base with leveling screws is essential for preventing vibrations during measurement.
Measurement Range: Most standard Indian models offer 15–20 cm horizontal travel and 10–15 cm vertical travel.
Optics: Look for achromatic objectives and a Ramsden eyepiece (usually 10x) with cross-hair reticles for precise alignment.
Least Count: Ensure the vernier scale allows for a resolution of at least 0.01 mm
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