Hauksbee's experiments on light and phosphorus Product:Greetings card A pair of spectacles hang

A pair of spectacles hang from a chain at waist level

'Try this pair'

The priory was founded in 1108 and dissolved in 1531

'An Open Secret'

6th August 1979

Hauksbee's experiments on light and phosphorus Product:Greetings card A pair of spectacles hangFigure 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.