Quarterly Report of the Chemical Committee, June 1893. 367 
In farther correspondence Mr. Trinder said that the local agent, 
from whom he had ordered the cake, had sent the order direct to 
the crushers. 
When the invoice came to the agent the cake was simply de- 
scribed as “ Oilcake.” The local agent compensated Mr. Trinder 
for the inferiority of the cake, though he said the crushers refused 
on their part to allow him (the agent) anything. 
6. Mr. R. G. Brown, of Good Mayes Farm, Chadwell, Essex, 
sent on March 7 a sample of what he had purchased as nitrate of 
soda. 
Two and a quarter tons were ordered on March 4, at 91. 5s. per 
ton. 
Mr. Brown said that the vendor told him that he had this left 
over from last season, and showed him a sample, whereupon he 
bought the above-mentioned quantity. 
Thinking, from the somewhat low price, that it was possibly not 
very good, Mr. Brown submitted a sample to Dr. Voelcker, and 
received the following report : — 
March 14, 1893. 
Moisture ...... 
. , 6-59 \ 
Chloride of sodium (common salt) . 
Sulphate of soda 
; [ n-20 1 io °' 00 
Nitrate of soda 
. 67-75/ 
A sample adulterated to the extent of one-quarter (25 per cent.) with 
common salt and sulphate of soda. 
Mr. Brown further said that he had not received any invoice, 
but had trusted to the vendor’s word that the material was genuine, 
and pure nitrate of soda. 
R. A. Warren, 
May 31, 1893. Chairman. 
REPORT OF THE EDUCATION COMMITTEE 
ON THE RESULTS OF THE SENIOR 
EXAMINATION, 1893. 
The Committee have to report that thirty-seven candidates entered, 
and thirty actually competed, at the Society’s Senior Examin- 
ations which took place from the 9th to the 13th of May last, and 
that, of these thirty competitors, twenty-two have satisfied the 
Examiners. 
