An Elementary Treatise on Optics, Containing all the Requisite Propositions Carried to First Approximations; With the Construction of Optical InstrumeRichard PotterVypredaná4,3Postrážiť
An Elementary Treatise On Optics: Containing All the Requisite Propositions Carried to First Approximations: With the Construction of Optical InstrumeRichard PotterVypredaná4,3Postrážiť
Correspondance Between Mr. C.J. Brydges and Mr. Richard PotterCharles John BrydgesVypredaná4,3Postrážiť
