Hauksbee's experiments on light and phosphorus Product:Greetings card 'Try this pair'

'Try this pair'

seated on an ass which has the head of Henry Dundas

A pair of spectacles hang from a chain at waist level

30th June 1965

Hauksbee's experiments on light and phosphorus Product:Greetings card 'Try this pair'Figure 1 on this plate illustrates pp. 65 68, 'An Account of an Experiment, confirming the Production of Light by the Effluvia of one Glass falling on another'. Figures 2 5 illustrate section I, experiments I V (pp. 5 16), 'An Account of several Experiments on the Mercurial Phosphorus'. Plate III from Physico mechanical experiments on various subjects, by Francis Hauksbee (London, 1709), presented to the Royal Society by the author on 26 October 1709.