Exhibited at the Nottingham Meeting. 
103 
creamer proved inferior both in its results and in the time 
taken to empty the vessel, and it appears that small^ pans 
are preferable in practice to large pans. The following is Dr. 
Voelcker's analysis of the skim-milk obtained from the 
" Dorset " cream raiser : — 
Water 90 27 
Butter-fat "72 
Milk-sugar, casein, &c 8*27 
Mineral matter (ash) '74 
100-00 
Specific gravity at 60° Fahr 1-0350 
III. Steam Diggers. 
Darby's Patent Broadside Digger (Art. 3871), exhibited by 
Messrs. Darhy & Savage, of King's Lynn, Norfolk. This well- 
known implement, to which a silver medal was awarded at 
Fig.' 10. — Darby's Patent Broadside Digger, 
Carlisle,^ and whose performance was then recorded at consider- 
able length in the Jom-nal, was allowed to be shown as a new 
implement, a considerable number of important, if not vital, im- 
pi'ovements having, since then, been made in the details of its 
construction. This implement has been so often described that 
it will only be necessary to touch, hei'e, upon the changes in 
question. The most important of these are as follows : — 
' Jomnal, Vol. XVI., Second Series, p. 665. 
