Spence suggested,
Fe~59 ratio.||
Seen
tot
eres
j Perhaps the
shot Was & test of adesign‘that Looked like a4good idea |‘but didn't work
very well,
Dr. Spence mentioned an interesting fact, that, from the
Am-241 content it be concluded that the plutonium dated back to 1949, °
certainly not later than middle 1950,