Boxed Stereoscope ‘The Achromatic Table Stereoscope’ with Original Large Storage Base with Double Doors

The Achro­mat­ic Table Stere­o­scope is designed for view­ing paper and glass stere­oviews. The base plate of the view­er folds into a stor­age box that also func­tions as a stand. When stored, the base plate forms the cov­er of the box and is secured by two locks.
A mir­ror can be mount­ed in two brass arms to pro­vide illu­mi­na­tion for glass stere­oviews. The view­ing unit can be tilt­ed to adjust and improve the view­ing experience.
(from: Com­pendi­um of Stereoscopes)