Details
A Gecophone No.1 crystal set
in mahogany case with Gecophone loading coil; a pair of Eriicsson headphones; and a brass crystal detector unit on oak base
in mahogany case with Gecophone loading coil; a pair of Eriicsson headphones; and a brass crystal detector unit on oak base
Provenance
Given by Sir Oliver Lodge to his daughter, Rosalynde Lady Yarrow, who passed the set to the present owner.