Adams table viewer for prints and transparencies

Adams table viewer for prints and transparencies. A two lens viewer for single prints or lantern slide transparencies. Fitted with prismatic lenses in a sliding focusing box. With hind with mirror for prints, a ground glass screen 8 x 8 cm for transparencies. With attached wooden box with ground glass screens containing coloured glass cylinder (broken) for colour effects on transparencies. Viewer on pivoted stand has been repaired. Adams and Co.