1/2 lb. gelatine [Nelson’s flake],3 1/4 pints aq:,4 oz glycerine, ,Balneo till dissolved.,3 lbs China clay,1 1/2 pint aq.,Mix into a smooth cream, & add to the above solution of Gelatine, ,then add gradually,64 grains chrome alum which has been dissolved in,1/4 Pint cold aq- strain. The mixre to be kept from setting by keeping it slightly warm.,To be applied to the surface of sized plain cloth with a stiffish brush & smoothed by the use of a clearer (softener.),,In trying a 6 yards length of cloth, this prepn was difficult to work, it became set & lumpy or patchy on the canvas & we could not get an even & smooth surface.,