PRIVACY ACT MATERIAL REMOVED
i
j.
The instruments to be battery operated with a batteny. life
which wauld> providé"Operation for 30 days at a rate of 8 hours
continuous each day.
placed.
Batteries to be easily shepked .and re-
Standard Army-Navy types of batteries suitable for
tropical use were desired.
peel
. Ree
oe.
It was realized that some of the above specifications would not be
completely met and some relaxation of the requirements were anticipated.
Oni6-anuary 1948 a letter was received from Smee (AFC)
who hed been attempting to vlace the contract for the MX-6 with the
Netional Technical Laboratories.
The Nathgtfe® Technical Laboratories
requested the following changes be made in the specifications outlined
above:
Ge
The warm-up period should be increased from one minute to |
two minutes.
The microphonic specifications be mdified to include a zero
shift of not more than 2% of full scale on any one of the drops
during the microphonics. tests.
Range of temperature from minus 5° C to 50° C with operation
up to and above 70° C desired.
The battery life to be 25 days at a rate of 8 hours continuous
each day.
The maximum exposure readable on the proposed instrument would
be 5000 mr per hour.
The above changes in specifications were agreed to by all concerned.
Various items of supply covering a wide range of materiel] were under
procurement during this period.
19
Sdction IX
PRIVACY ACT MA
Hee
TERIAL REMOVED