Stereoscope with Original Storage Box

The box-type stere­o­scopes pro­duced by Erne­mann are char­ac­terised in par­tic­u­lar by their dis­tinc­tive bur­gundy-coloured hous­ing. The view­er was avail­able in a wide range of for­mats: 45 x 107, 6 x 13, 8.5 x 17, 9 x 12, 9 x 14, 9 x 18, 10 x 15

(from: Com­pendi­um of Stereoscopes)

This is an uncom­mon late ver­sion fea­tur­ing a more com­pact design than the pre­vi­ous ver­sion, e.g. Erne­mann stere­o­scope, ear­ly version