Has been very busy; otherwise he would have answered his friendly letter earlier. Observations on tourmaline. Double refraction.
Has been very busy; otherwise he would have answered his friendly letter earlier. Observations on tourmaline. Double refraction.
Queries regarding the refraction of light in crystals.
Has received his letter written in November a little late. Observations on refraction and allied subjects.
Further information on his experiments with refraction in various crystals, especially topaz.
Discussion of his latest experiments on polarization.
Concerning polarization of light rays in crystals of quartz.
Regarding his recent experiments with light in crystals of alum etc.
Possesses JH's tract on light. Would like his comments on various phenomena.
Regarding the missing publications of the Academy that JH has not received. Further regarding polarization in molecules.
Has pleasure in informing JH that a parcel of publications of the Academy is being forwarded to him.