Two of three specimens of talking films:- ; 2 3/4 " length film - "Kuchemneister" system, encased in glass, image shows head and shoulder shot of man wearing glasses. Specimen of talking films - Kuchemneister 1921
One of three specimens of talking films:- 4 1/2" length of film - "Triergon" process (piece of first sound-on film picture made 1921), encased in glass. Image shows standing man appearing to give a lecture behind a lectern. Specimen of talking films - Triergon process 1921