Take 1 ¾ oz borax refd,4 oz orange shellac,2 pint aq (boilg),Put into a jar in balneao & Kept on the fire till all is dissolved, strain ,This makes a black prepn – very strong & when laid on the raw cloth stiffens it a great deal, it however makes it rather brown in tint- owing to the soln being very limpid when first put on the cloth; it comes thin & stains the back of the cloth nearly as much as it does the front however if this soln proves to be uninjurious to the cloth, the stain may not be of much consequence.,