PREMISES USED IN MANUFACTURIXG OIL. 397 



CHAPTEK A^I. 



METHOD OF EXTRACTING OIL AND rilEPA]lIN(& 

 WHALEBONE, WITH A DESCRIPTION QF THESE 

 ARTICLES, AND REMARKS ON THE USES TO 

 WHICH THE SEVERAL PRODUCTS OF THE 

 WHALE-FISHERY ARE APPLIED. 



SECT. I. 



Description of the Premises and Appa?'atus used 

 in extracting Oil out of Blubber, 



On the margin of the river, wet-dock, canal, or 

 other sheet of water, communicating with that 

 wherein the whale-fishing ship discharges her cargo, 

 are usually provided the necessary premises for re- 

 ducing the hluhber into oil, consisting commonly 

 of the following articles. 



1. A copper vessel or boiler, 3 to 6, or even 10 or 

 more tons capacity, of a circular form in the horizontal 

 view, and elliptical in the perpendicular section, is 

 j&xcd at the elevation of 6 to 10 feet above the ground. 



