1.
The Evasion of Dollond’s Notorious Patent on the Achromatic Telescope by the Move to the Dutch Republic of the Instrument Makers Eastland and Champneys
2.
3.
The long forgotten relation between an English binocular and a Dutch philosopher:Frans Hemsterhuis (1721–1790) as Herschel’s precursor and designer of Dollond’s achromatic binocula...