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stainless steel instrument used for measuring the surface texture. In leather pouch.

stainless steel instrument used for measuring the surface texture. In leather pouch.

stainless steel instrument used for measuring the surface texture. In leather pouch.

stainless steel instrument used for measuring the surface texture. In leather pouch.

Script

Large voltmeter with mm mirrored scale. 6 ranges (including off) Thermometer 10 - 40 on scale.

glass specific gravity hydrometer, lead shot weighted, scale 900 to 950. Separate weight and float bulbs. In cardboard tube

Brass with steel points.

Wooden tube. Alt-azimuth mounting on tripod stand.