This section is from the book "The Tinman's Manual And Builder's And Mechanic's Handbook", by Isaac Ridler Butt. Also available from Amazon: The Tinman's Manual And Builder's And Mechanic's Handbook.
Rule. - Take the dimensions in inches and decimal parts of an inch, multiply the length, breadth, and height together, and then multiply the product by .004329 for Wine Gallons, and by .003546 for Ale Gallons.
Example. - How many Wine Gallons will a bos contain that is 10 feet long, 5 feet wide, and 4 feet deep.
Length in inches,
Breadth in do.
Height in inches,
or 1496 galls, and 3¼ gills.