A
280
(Apache)
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Project 23.1 - Fireball and Bhangmeter - H, Grier
BD, J. Barnes
EXRSBALL
Preliminary fireball yields have been cowputed from ‘our bigh speed
Eagtann films, one each from Parry and Mack and two from Piiraai, with
the following resulte:
Parry
o2
a
Yack
@=
Plireai
&
k=}
é=
Mirel @=©
8
S
.
:
Si
©
8
ES
The preliminary fireball yield is therefore
“hp ambient
air density of 1.12 grans/liter has been assumed for these calowlations.
Your Bhangmeters gt the control point gave time to ainimm as
with a resultant yield o
=<
~
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3337 AVAILAS,
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