EINSTEIN Albert - On the special and general theory of relativity. (Accessible lecture). By authority of the author translated. [...]...

EINSTEIN Albert - On the special and general theory of relativity. (Accessible lecture). With the author's authorization translated. M. T. Hubner [...]. Second edition revised and supplemented with a dialogue on objections against the theory. Lvov-Warsaw 1922, Książnica Pol. 8, p. 104. broch.
Covers rubbed, discolored and creased, minor loss of spine, inside page corners creased, otherwise good condition. Owner's signature. Edition I was published a year earlier.