An advertisement by Sir Arthur Conan Doyle in the January 6th, 1923 edition of Light for his book, The Case for Spirit Photography. The book offers “corroborative evidence by experienced researchers and photographers” for the price of 2s 10d.
An advertisement by Sir Arthur Conan Doyle in the January 6th, 1923 edition of Light for his book, The Case for Spirit Photography. The book offers “corroborative evidence by experienced researchers and photographers” for the price of 2s 10d.