304 Scientific Intelligence. {Ocr. 
what hooks they order, being satisfied with returning signed the very lists which 
- they receive fro: the clerk of the Stationers’ Company. Had the Universities been 
sequired tc pay 2 sum however small, even a tenth of the price of each book, 
this (ax upon literature would have been exacted with much less severity. 
ArticLe IX. 
SCIENTIFIC INTELLIGENCE$S AND NOTICES OF SUBJECTS 
CONNECTED WITH SCIENCE, 
I. Lectures. 
The Lectures on Midwifery, and the Diseases of Women and 
Children, at the Middlesex Hospital, by Mr. Merriman, Physician 
Accoucheur to that Hospital, and Consulting Physician Accoucheur 
to the Westminster General Dispensary, will reecommence on Mon- 
day, Oct. 9. 
A Course of Lectures on Chemistry will be commenced at the 
Chemical Theatre, No. 42, Windmill-street, on Tuesday, Oct. $, 
at nine o’clock in the morning, by Wm. T. Brande, F.R.S. L. 
and E. Prof. Chem. R.I. &c. ‘ 
The Winter Courses. of Lectures at the School of Medicine in 
Treland, on Anatomy, Physiology, Pathology, Surgery, Chemistry, 
Materia Medica, Institutes, and Practice of Medicine, will com- 
mence on the 6th of November, at their respective hours.—Anato- 
mical Demonstrations will commence the Ist of December. 
Dr. Gordon’s Lectures on Anatomy and Surgery commence at 
Edinburgh on Wednesday, Oct. 25, at eleven o clock forenoon ; and 
his Lectures on Institutions of Medicine, consisting of Physiology, 
Pathology, and Therapeutics, on Monday, Oct. 30, at one o’clock 
afternoon. Both Courses will be continued till April, five Lectures 
being delivered weekly in each. 
I. Substance sublimed during the Burning of London Bricks. 
Many of my readers are probably aware that the method of 
burning bricks in the neighbourhood of London is different from 
what is practised in any other part of Great Britain, and probably 
of Europe. The fuel employed is the ashes or cinders which fall 
from the common fires in the different houses in London, and which 
are collected daily by the dust-carts The greatest part of this fuel 
is mixed with the unburnt bricks; the remainder is strewed between 
the layers of brick. The .kilns are built so as to exclude as much 
of the air as possible. The consequence is, that the combustion 
goes on very slowly; three months being frequently requisite to 
complete the burning of a single kiln. It is to this exclusion of the 
air that the yellow colour of the London bricks is owing: the outer- 
most row of bricks is always red. 
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