Improved electrical machine at Teyler's Museum capture General view of one of

General view of one of the streets in the Theatre district of London's West End taken at night

22nd April 1978

to transmit to posterity the name of Sir Joseph Banks

with the pencil inscription 'a slight etching will do' (figure 1)

Improved electrical machine at Teyler's Museum capture General view of one ofStudy of the augmented electrostatic generator with conducting rods shown demonstrating an electrical arc discharge. The original machine was designed by John Cuthbertson (bap. 1743 d. 1821) for Martin van Marum and installed at Teyler's Museum at Haarlem in the Netherlands. Plate 1 from Tweede vervolg der proefneemingen gedaan met Teyler's electrizeer machine by Martinus van Marum (Haarlemn, 1795). The plate is inscribed 'Pl. I. W. Hendriks, delin.