"CHOCOLATE MILK. Prep. Dissolve 1 oz. of chocolate in 1 pint of new milk"
"CHOCOLATE POWDER. Cake chocolate scraped or ground. Usually sold in tin canisters."
From A Cyclopaedia of Six Thousand Practical Receipts 1851
"French Chocolate comes mixed with sugar and highly flavored, in tin canisters. This can be prepared on the table. Put a tea-spoon and a half of the chocolate powder into a cup, which fill up by degrees with boiling milk, stirring until dissolved."
From The American Matron 1851