Rotoscope

1902

For 30 x 70 mm cards having two 1" x 1" images. Tin-plate viewer that folds flat when not in use.

12 cards.

Registered Design 393617.

For 30 x 70 mm cards having two 1" x 1" images. Tin-plate viewer that folds to resemble a book when not in use.

12 cards marked Pocket Rotoscope, Glasgow series.

The application date of the patent was 1904 it was issued the following year, the Registered Design number dates to 1904.

BP 21637/1904. Registered Design 442342.

For 30 x 70 mm cards having two 1" x 1" images. Tin-plate viewer that folds flat when not in use.

8 cards, box.

Advertising or promotional stereoscope produced by Rotary for Stollwerck Bros. Colgne & London. This example has English text others are in German.

Company Details: