quadrant electrometer
Date: 1890-1920
Inventory Number: 0203a,b
Classification: Electrometer
Dimensions:57 × 36 × 33.8 cm (22 7/16 × 14 3/16 × 13 5/16 in.)
Description:
Brass quadrants mounted on brass rods with mirror in the center of the quadrants. Glass jar underneath and 2 small ones mounted above in brass cups for sulphuric acid (for drying). All contained in a tall rectangular wooden box with 2 glass panels. Supported on a square brass stand with 3 legs and leveling scews. Brass suspension tube (missing).