...the composition of nitrous acid, the generation of curved surfaces, finite difference equations, partial differential equations (1785); double refraction and the structure of Iceland spar, the composition of iron, steel, and cast iron, and the action of electricity sparks on carbon dioxide gas (1786); capillary phenomena (1787); and the causes of certain meteorological phenomena (1788); and a study in physiological optics (1789).
... ang komposisyon ng nitrous asido, ang henerasyon ng tuwid ibabaw, wakas pagkakaiba equation, bahagyang kaugalian equation (1785); double repraksyon at ang istraktura ng Iceland-away-away, ang mga sangkap ng bakal, asero, at cast bakal, at ang mga aksyon ng koryente Sparks sa carbon dioxide gas (1786); phenomena maliliit na ugat (1787); at ang mga sanhi ng ilang meteorolohiko phenomena (1788); at isang pag-aaral sa physiological optika (1789).