25.2 x 16 x 61.5 (case) 10.5 x 42.6 (slides) Painted glass, wood and brass
Set of painted glass slides
25.2 x 16 x 61.5 (case) 10.5 x 42.6 (slides)
Painted glass, wood and brass
's Gravesande, Willem Jacob, Physices Elementa, Leiden, 1742, Vol. II, § 3432, Tab. CIX.