TO MAKE TENTS, ETC., WEATHERPROOF.
To prevent tents, wagon covers, etc., from rotting dissolve 4 ounces sulphate of zinc in 10 gallons of water, then put in one-fourth pound sal-soda, stir well until dissolved and add one-fourth ounce tartaric acid. Let the cloth lie in this one day and night and hang up to dry. Don’t wring it.