The Saint Louis directory for the years 1854-5 :

Steam Bakery,
No. 186 South Fourth street.

Office, Commercial street,
Between vine street and Washington avenue,
St. Louis Mo.

There is manufactured at the above establishment every variety of
bread and crackers,
loaf bread, pilot bread,
sugar, soda, boston, butter,
wine and water crackers &c.

☞The above establishment is capable of manufacturing into Bread fifty barrels
of flour per day.