328 Quarterly Reports of the Chemical Committee, 1886. 
With the circular this letter was sent : — 
' From 
HAMILTON & Co., 
118, High Street, 
Wandsworth, 
London, S.W. 
To 
February 1st, 1886. 
E. CAVELL, Esq., 
Saxmundham. 
Inventors and Manufacturers of the celebrated Organic Manure ; and 
" Carbolica," an improved Carbolic Disinfectant in pink powder 
or fluid. Manufactory and Wharf : Point Pleasant, 
Wandsworth, London, S.W. 
" Dear [Sir, — In reply to your letter of 30th Jan., we enclose circular 
giving full particulars of analysis, ammonia, &c. We shall be glad to be 
favoured with your reply to our special offer of six tons Organic Manure. — 
Yours faithfully, " Hamilton & Co." 
Dr. Voelcker's analysis and report were : — 
" March 13th, 1886. 
Moisture 70-43 
♦Organic matter 22-02 
Oxide of iron and alumina 1-04 
Phosphate of lime trace 
Carbonate of lime 2-89 
Alkalies, &c 1-.58 
Sand 2-04 
100-00 
* Containing nitrogen - 69 
Equal to ammonia - 84 
" This manure you will see has but a trace of phosphates, so that the 
19-5 per cent, stated on the analysis Messrs. Hamilton & Co. give is made 
up, not of soluble phosphates, but of worthless ' &c.,' whatever that may be. 
The alkaline salts are H per cent, instead of 23-5 per cent., and instead of 
only 24-5 per cent, of moisture you have the very doubtful advantage of 
having 70 per cent, of water to pay carriage for. May I asli if the analysis 
was guaranteed ? " J. Augustus Voelcker. 
On March 14th and 18th, Mr. Cavell wrote : — 
" On receipt of your analysis, which proves the gross inaccuracy of the 
description, particularly in the phosphates and alkalies, I wrote declining the 
manure, and have returned it. 
" The public, as well as myself, are interested in resisting such an imposi- 
tion.— Yours very truly, " Edmund Cavell." 
" On the arrival of the material, as it had the appearance of soot, I wrote, 
' I did not want soot, having ordered some. I had ordered of them London 
sewerage, and the manure sent had not the appearance of London sewerage. 
I should, therefore, have it analysed and would write them on the receipt of 
analysis.' 
