32 i Quarterly Reports of the Chemical Commiltce, 1887. 
3. Mr. Thos. S, Radford, of Mount Pleasant, Church 
Broughton, Derby, sent on July 19, 1887, for opinion, a 
sample of linseed-cake, which he had bought as pure. Dr. 
Voelcker advised a full analysis, which was made as follows : — 
" September 24, 1887. 
Moisture 8'59 
Oil . , lO-oO 
Albuminous compounds (flesh-formiDg matters) . 23'69 
MueUage, sugar, and digestible fibre . , . 38'38 
"Woody fibre (cellulose) 11-13 
jMineral matter (ash) 7-71 
100-00 
' Containing nitrogen 3-79 
- Including sand ...... 2-28 
" A very impure cake ; the fibre is excessive, and the cake contaius 
quantities both of rape and of starchy bodies. 
"J. AuGtrsTcs Voelcker." 
The sample was taken from, a 2-ton lot, forming part of a 
contract for 12 tons, to be delivered between July and December, 
1887. It was purchased from dealers near Derby. The cake 
was invoiced as " D. S. Pure Linseed Cake," each one being 
branded " D. S. Pure." The price was Ql. 12s. Qd. per ton, 
delivered. Mr. Eadford stated that the manufacturers were 
Messrs. David Salmond & Son, Hull, adding : " The vendor is 
a respectable man, and I supposed I was buying pure cake, as 
it was so stamped." 
4. Mr. A. S. Berry, of Pheasey Farm, Queeslet, Great Barr, 
near Birmingham, sent, on June 1, 1887, a sample of linseed- 
cake, on which Dr. Voelcker reported : — 
"June 15, 1887. 
Moisture 13-20 
Oil 1103 
' Albumipous compounds (flesh-forming matters) . 24-87 
Mucilage, sugar, and digestible fibre . . . 31-48 
Woody fibre (cellulose) 9-67 
' Mineral matter (ash) ...... 9 75 
100-00 
' Containing nitrogen 3 98 
2 Including sand 410 
" This is an impure cake ; it has over 4 per cent, of sand and much 
starchy admixture and foreign seeds. "J. Augustus Voelcker." 
Four tons of this cake had been purchased, at 11. a ton 
delivered, from Mr. Thomas Bradburu, of "Wednesfield, Wolver- 
hampton, the makers being Messrs. Willows, Holt & Willows, 
