SCOPE OF PRACTICAL PAINT TESTS 111 



of vehicle to one hundred pounds of lead. A complete report of 

 the reductions, spreading rates, etc., used in the tests would take 

 up three or four hundred pages of printed matter. The reduc- 

 tions shown on the following formulas are, however, fairly 

 representative of the reductions used on the combination and 

 single pigment paints. 



REDUCTIONS ON FORMULA No. 2 



White and Yellow 



1st Coat 



Condition when opened good. 

 Consistency when broken up heavy. 

 Reduction recommended by manufacturer none. 

 Reduction used 3 pints raw oil 1 pint turps, 1 gallon paint. 

 Consistency after reducing good, stiff. 

 Working fair. 



Drying fair on pines; cypress poor. 

 Penetration, pines good; cypress poor. 



2nd Coat 



Consistency when broken up heavy. 

 Reduction used 1| pints turpentine, 1 pint boiled oil. 

 Consistency after reducing good. 

 Working good. 

 Hiding medium. 



Drying on pines good; cypress poor. One-half pint japan added to 

 gallon of paint. 



Penetration fair. 



3rd Coat 

 Reduction used 1| pints oil, \ pint turpentine. 



Reductions for Lead Pastes 

 Calculated on 100 Ib. keg. 



Formulas Nos. 37-38. (Corroded White Lead.) 



1st Coat 

 6| gallons oil, \ gallon turpentine, 1 pint turpentine japan. 



2nd Coat 

 3| gallons oil, 1 gallon turpentine, 1 pint japan. 



3rd Coat 

 3 gallons oil, 1 pint turpentine, \ pint japan. 



Hiding Power of Paints. When the priming coat had thor- 

 oughly dried on each panel, the painter carefully stencilled a 

 black Geneva cross over the priming coat with lampblack in oil. 

 The object of this black cross was to make a determination of 



