I

Cold water, 20 gallons; powdered rosin, 56 pounds; creosote oil, 40 gallons; sulphuric acid, 1/2 gallon; caustic soda lye, 30° B., 9 gallons.

Heat water and dissolve the rosin; then add creosote and boil to a brown mass and shut off steam; next run in sulphuric acid and then the lyes.

II

Water.............   40    gallons

Powdered black

rosin............   56    pounds

Sulphuric acid......     2.5  gallons

Creosote...........   10    gallons

Melted pitch.......   24    pounds

Pearlasn boiled in

10 gallons water..   56    pounds

Boil water and dissolve rosin and acid; then add creosote and boil well again; add pitch and run in pearlash solution (boiling); then shut off steam.

III. (White)

Water, 40 gallons; turpentine, 2 gallons; ammonia, 1/2 gallon; carbolic crystals, 14 pounds; caustic lyes, 2 gallons; white sugar, 60 pounds, dissolved in 40 pounds water.

Heat water to boiling, and add first turpentine, next ammonia, and then carbolic crystals. Stir well until thoroughly dissolved, and add lyes and sugar solution.