Old cookery books in google books:

I love old cookey books, they contain lots of fascinating historical details as well as a wealth of useful recipes so i was very happy to discover some have been digitised by google books. The books I have found are:

The Universal Cook: And City and Country Housekeeper
by Francis Collingwood, John Woollams published in 1806

The Art of French Cookery
by A. B. (Antoine B.) Beauvilliers published in 1827

The Practice of Cookery: Adapted to the Business of Every Day Life
by Dalgairns published in 1830

The Cook's Dictionary, and House-keeper's Directory
by Richard Dolby published in 1830

The Young House-keeper, Or, Thoughts on Food and Cookery
by William A. (William Andrus) Alcott published in 1838

The Lady's Own Cookery Book, and New Dinner-table Directory
by Charlotte Campbell Bury published in 1844

The Illustrated London Cookery Book
by Frederick Bishop published in 1852

The Cook's Guide, and Housekeepers and Butler's Assistant
by Charles Elmé Francatelli published in 1863

They are well worth a browse. I am not sure how stable the links are so they might not work in which case you will have to search via google books.