Compass BOX

(For deflection magnetometer or tangent galvanometer) Compressing a bakelite moulding case with white aluminum dial graduated 0- 900 four times. The magnet with aluminum pointer is pivoted at the jewel so as to move frictionless. Same as Cat. No. 1076 but with aluminium cup and aluminium terminals respectively. Brass leveling screws are replaced by bakelite leveling screws. Supplied with 5” ordinary compass box of Cat. No. 1079.