354 Qaarterhj lleporb of the Chemical Committee, 1888. 
Merchandise Marks Acts, were sold as "pure linseed- cakes." 
Intending purchasers of linseed-cake are advised not to accept 
the term " oil-cake " as a satisfactory description, but to insist 
on having the words " linseed-cake " inserted on the invoices, as 
well as obtaining a guarantee of purity. 
1. jNIr. Richard Henshaw, of Tithby Grange, Bingham, 
Notts, sent on August 15, 1887, a sample of linseed-cake, on 
which the following report was given : — 
"August 29, 1887. 
Moisture 11 -57 
Oil .• . . 10-74 
' Albuminous compounds (flesh-forming matters) . 24'06 
^Mucilage, sugar, and digestible fibre . . . 38-06 
Woody fibre (cellulose) 8-64 
2 Mineral matter (ash) 6-93 
10000 
' Containing nitrogen ..... 3'85 
^Including sand ...... 2-14 
" This is a very impure cake ; it has an exceedingly bitter taste, and con- 
tains a large amount of rape, cockle-seed, and other foreign admixture. 
" J. Augustus Voelckee." 
This sample was taken from a 2-ton lot, purchased at 
61. 15s. a ton from Messrs. H. & F. Warhurst, of Nottingham, 
the cake being marked " H. & F. W., Pure," and guaranteed 
equal to the analysis as stated on the following certificate, which 
was given to Mr. Henshaw at the time of purchase : — 
" Chemical Laboratory, 11 High Street, Hull : May 12, 1887. 
"Copt. Certificate of Analysis prom M. D. Penney, F.C.S. 
" Sample of linseed-cake, branded H. & F. W., Pure. Received May 10 
from Messrs. H. & F, Warhurst, Merchants, Nottingham. 
Moisture , . . 13-14 
Oil • . . . 11-00 
' Albuminoids l'4-37 
Mucilage 3621 
Woody fibre 7-72 
Ash 7-56 
100-00 
Nitrogen ... . ... 365 
Equal to ammonia ; . . . . 4-67 
" This is a good linseed-cake, of excellent feeding quality, and bigh'in 
oil, while fairly low in woody fibre and ash. 
(Signed) " M. 1). Penney." 
