Details
A 'Cosmos Radiophone' crystal set
Type C4, with 'Permtector' detector and enclosed tuning trimmer on circular moulded ebonite base, circa 1925 -6½in (16.5cm) diameter
Type C4, with 'Permtector' detector and enclosed tuning trimmer on circular moulded ebonite base, circa 1925 -6½in (16.5cm) diameter
Special notice
No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium, which is invoiced on a VAT inclusive basis.