91 
Report on the Miscellaneous Implements 
The "Jersey Creamer" does not, of course, separate cream 
from milk so quickly or completely as the mechanical cream- 
separator ; but since, in the opinion of the J udges, this device 
represents a considerable advance upon the ordinary system of 
milk-setting, and is applicable in cases vi^here the use of sepa- 
rators is out of the question, and more especially for small 
dairies, where the milk of a few cows only has to be dealt with, 
it was judged worthy of a silver medal. 
Priestman Brothers, Hull, exhibited a petroleum engine 
(Art. No. 3G03), which was driven by ordinary paraffin oil, 
such as is used for lighting purposes all over the world. 
Kg. 2. — Priesiman's Petroleum Engine. 
Many engines have been designed to use the lighter pro- 
ducts of petroleum distillation, such as benzine, benzoline, &c., 
but these have always laboured under the disadvantage of em- 
ploying a fluid which the fire insurance offices will not allow to 
be stored on premises covered by their policies. Such an engine 
(Spiel's) was shown at Newcastle in 1887, but was not allowed 
to work in the yard, and refused a trial by the Society's engineer, 
on account of the highly volatile nature of the fluid employed 
in it. 
Messrs. Priestman Brothers themselves, it appears, began by 
experimenting with the " Eteve" Engine, a motor of the same 
