Hauksbee's experiments on light and phosphorus Product:Greetings card 'An Open Secret'

'An Open Secret'

Interior view of the Painter-Stainers' livery hall

'Try this pair'

A pair of spectacles hang from a chain at waist level

soon made under licence in Germany

Hauksbee's experiments on light and phosphorus Product:Greetings card 'An Open Secret'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.