Details
Stereo process plates
A 12 x 12 inch coloured Roneo advertising stereogram, credited Stereovision Ltd., 39 Albemarle Street, London W1, in box; a 12 x 15 inch coloured Daily Herald advertising stereogram (damaged) with label Stereoscopic Processes Ltd., Brit. P. Pat. No.s 12556, 12557, 12558, 15708, 16821, 23902, 24774/34. World's Pats. Applied For and four 12 x 15 inch negatives, in box
A 12 x 12 inch coloured Roneo advertising stereogram, credited Stereovision Ltd., 39 Albemarle Street, London W1, in box; a 12 x 15 inch coloured Daily Herald advertising stereogram (damaged) with label Stereoscopic Processes Ltd., Brit. P. Pat. No.s 12556, 12557, 12558, 15708, 16821, 23902, 24774/34. World's Pats. Applied For and four 12 x 15 inch negatives, in box