77 1826 Freundlich E
77/1826 Freundlich, E. Die Grundlagen der Einsteinschen Gravitationstheorie. Berlin, Julius Springer, 1916, 1st ed., 64p., orig. wr.

- Owner's entry ("E. Laguers[?] 2044") on frontwr. Otherwise fine.

Bohr, N. Atomteori og naturbeskrivelse. 3 artikler med en indlidende oversigt. Copenhagen, Bianco Lunos, 1929, 1st ed., 76p., orig. wr.

- Wrappers browned along edges; backstrip sl. dam.

AND 1 other: IDEM, The penetration of atomic particles through matter (ibid., 1948, 1st ed., ills., orig. wr.)

€ (200-300)