| abstract |
1,048,513. Discharge apparatus. CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE. May 10, 1965 [May 8, 1964], No. 19653/65. Heading H1X. [Also in Division G1] A radioactive ionization vacuum gauge for use in a radiosonde comprises a slotted conical body 1 with a radio-active source 8 (e.g. polonium or tritium) housed in the cap 7 at the small end, and a steel collector rod 9 held by insulating discs 11, 12 at the lower end of the body, Fig. 1 (not shown). |