Paper instructions booklet giving directions for using "Hamblin's Stereoscope Pictures"
Paper instructions booklet giving directions for using "Hamblin's Stereoscope Pictures", 18 pages stapled, published by Hamblin, 1920-1935
Set of 'Hamblin's stereoscope pictures', series of 135 cards with blue printed illustrations, diagrams etc for the cultivation of binocular vision, by Theodore Hamblin Limited, 15 Wigmore Street, London, W1, England, 1920-1935.
Paper instructions booklet giving directions for using "Hamblin's Stereoscope Pictures", 18 pages stapled, published by Hamblin, 1920-1935