Basic lead Slllco-Chromate, M-50 Rational Lead Is attempting to Introduce a new type of Inhlbltlre pigment Into the metal primer field -- their Basle lead Slllco-Chromate, M-50.

In tb* direction leading to tool alltailon of Industry.

The research dpartrouts at Rmbon and Anniston agree la be lieving the tribe process my be superior to the lead pot process.

Kehoe FROM: Biometrics SUBJECT: Design of Lead Study- Purpose 1.

--In lead hard pptn.

Devo lapsent ef a lead-add battery for meteorological uses* 2.

(b) W-35 - 10/ Leaded Zinc and V-l (SaBic Sulphate White Lead).

Kehoe FROM: Biometrics SUBJECT: Design of Lead Study- Purpose 1.

Devo lapsent ef a lead-add battery for meteorological uses* 2.

--In lead hard pptn.

(b) W-35 - 10/ Leaded Zinc and V-l (SaBic Sulphate White Lead).

National Lead Company made the selection as the operating contractor.

A sample to be split must be fresh and utterly devoid of sediment or the splitting will permit unequal amounts of sediment in the two, with almost inevitably iifferent quantities of lead, since the lead precipitates out in part with the phosphates.

Having been through this in the case of tetraethyl lead, I am not prepared to repeat the experience.

e m 'iiim jip jgmiiiw m iu atM/m'M m m w tt L16340 ii LEAD INDUSTRIES ASSOCIATION 400 LCOWOTOM AVCNUC f fI. r fNW VOM 17, N.