细节
.4Siemens & Halske,
a galvanometer signed on the silvered maker's plate SIEMENS & HALSKE BERLIN No. 6795, with lacquered brass fittings, the twin coils with insulated covers with beech end plates arranged to be dismantled from the pillar stand by twin knurled nuts, the centre column on a tripod base with fine adjustment in azimuth, with four levelling screws - 19½in. (50.2cm.) high; and NO. 6 SUMPNER'S PATENT ELECTRO-DYNAMOMETER by Robt. W. Paul London.N. with lacquered brass cover and vulcanite base with universal bubble level and contact terminals - 9½in. (24.2cm.) high (2)
a galvanometer signed on the silvered maker's plate SIEMENS & HALSKE BERLIN No. 6795, with lacquered brass fittings, the twin coils with insulated covers with beech end plates arranged to be dismantled from the pillar stand by twin knurled nuts, the centre column on a tripod base with fine adjustment in azimuth, with four levelling screws - 19½in. (50.2cm.) high; and NO. 6 SUMPNER'S PATENT ELECTRO-DYNAMOMETER by Robt. W. Paul London.N. with lacquered brass cover and vulcanite base with universal bubble level and contact terminals - 9½in. (24.2cm.) high (2)