Details
A barograph,
by Wilson, Harden & Co. Ltd., the aluminium and brass mechanism with recording drum mounted on ebonised plinth base with card drawer and cover with bevelled glass panels -- 14½in. (36.8cm.) wide
See Illustration
by Wilson, Harden & Co. Ltd., the aluminium and brass mechanism with recording drum mounted on ebonised plinth base with card drawer and cover with bevelled glass panels -- 14½in. (36.8cm.) wide
See Illustration