Apparatus for electrical experiments Product:Postcard A group of seven men

A group of seven men stand to the right of the image

This is representative of the London Reformatory Institution for adult male criminals in Great Smith Street

shown with one hand raised and a book under his arm

with the Silver Rogue on the right

Apparatus for electrical experiments Product:Postcard A group of seven menSix figures showing equipment intended to investigate electric arcs including (figure 4) a Leyden jar. Experiments designed and made by Martin van Marum at Teyler's Museum at Haarlem in the Netherlands. Plate 5 from Beschryving eene ongemeen groote electrizeer machine geplaatst in Teyler's Museum by Martinus van Marum (Haarlemn, 1785). The plate is inscribed upper right: 'Pl. III'; and below 'C. H. Koning Fecit. Martin van Marum was elected a Fellow