Details
A black-enamelled brass low speed air meter,
by Negretti & Zambra, No. 6628, with unusual eight-blade mica fan, with silvered dial, on three pillar supports and stand, with maker's information leaflet, in fitted case -- 5in. (12.7cm.) wide
See Illustration
by Negretti & Zambra, No. 6628, with unusual eight-blade mica fan, with silvered dial, on three pillar supports and stand, with maker's information leaflet, in fitted case -- 5in. (12.7cm.) wide
See Illustration