A Wiedemann's-pattern Aperiodic galvanometer, with six coils, each adjustable horizontally, the upper series of four coils located on twin horizontal brass bars supported by twin lacquered brass columns from the ebonised base incorporating the two lower sliding coils, the mirror suspension with viewing panel, the base with three adjustable brass screw feet - 24½in. (62.2cm.) high; and a reading telescope for electrical and magnetic reflecting instruments, unsigned, but the upper telescope bracket with engraved trademark (unidentified), the lacquered brass telescope with rack and pinion focusing, vertical and azimuth adjustment, the stand with clamp for reading scale, mounted on iron stand - 30½in. (77.5cm.) high in raised position (2)