(Revised.) Associations by the Committee of

Council.

Research Association 4. The method of subscription to Research

Associations.

BULLETINS.

No. 1. Memorandum on the Preservation of Timber in Coai

Mines, 1917.
No. 2. Memorandum on Cutting Lubricants and Cooling Liquids,

and on Skin Diseases produced by Lubricants, 1918.
No. 3. A Study on the performance of " Night Glasses," by

L. C. Martin, B.Sc., &c. (Lecturer in the Technical Optics

Department, Imperial College of Science and Technology). 1919.

* The first Eeport was published by the British Association for the Advance-
ment of Science, Burlington House, W.I.



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PAT. JAR. 2 1,1 908



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