Volume 62; Issue 1

2

On the Theory of Aplanatic Aspheric Systems

Year:
1949
Language:
english
File:
PDF, 454 KB
english, 1949
3

Ultrasonic Dispersion in Urganic Liquids

Year:
1949
Language:
english
File:
PDF, 451 KB
english, 1949
5

Some Spectroscopic Observations on Pyrotechnic Flames

Year:
1949
Language:
english
File:
PDF, 567 KB
english, 1949
6

Some Experiments on Photo-ionization in Gases

Year:
1949
Language:
english
File:
PDF, 667 KB
english, 1949