An original table of semi-squares, in imperial gallons : from one-tenth of an inch (with every intermediate tenth) to one thousand inches : whereby the area in imperial gallons, of any straight lined figure within its limits, may be most expeditiously
An original table of semi-squares, in imperial gallons : from one-tenth of an inch (with every intermediate tenth) to one thousand inches : whereby the area in imperial gallons, of any straight lined figure within its limits, may be most expeditiously...