| Description | Numerous sheets of calculations and recordins of data (many are on the specially prepared forms as in B.26).
Graphs. Some notes on the literature.
Notes titled 'Range of argon atoms', 'Range and Velocity of Nitrogen Oxygen Air', 'Argon recoil atoms'
Much of the data is tkane from the measurements and recordings entered in the laboratory notebooks. The only entries that are dated are for 1930 and 1931 but many of the papers may date from a much earlier period of research. |