A hand is seen writing on a stencil with Edison’s electric pen connected to a wet cell battery. Edison’s electric pen was a device used for duplicating handwritten or hand-drawn documents.
The caption reads in the original French:
Plume électrique d’Edison, avec sa pile.
Caption taken from the English edition titled Popular scientific recreations in natural philosophy, astronomy, geology, chemistry. London: Ward, Lock, and Co., n.d. [ca. 1882].