Scientific and technical achievements', by E. Berl. Reprinted from the Journal of Chemical Education. Vol. 14, no. II

Magnetism and the structure of matter', by Kathleen Lonsdale. Reprinted from Nature, vol. 145.

The chemical constituents of lichen found in Ireland; Lecanora Gangaleoids - Part 1', by J. Hardiman and J. Keane and T.J. Nolan. From the Proceedings of the Royal Dublin Society, vol. 21, no. 14

A century of inventions', by Sir J.A. Ewing. A supplement to Nature.

Science and Leadership', by D.W.H. Extract from a Journal of an unspecified Institute

Volume and composition of waste waters from the preparation of potatoes for drying'. A Water Pollution research board Publication, no. 428.

The problem of valency', by R.F. Hunter and R. Samuel. Reprinted from Chemistry and Industry, no. 54

Infra-red spectra and the structure of molecules', by W.H.J. Childs and H.A. John. Reprinted from Nature, vol. 145.

The Bracken problem', by J.F. Tocher. Reprinted from the Transactions of the Highland and Agricultural Society of Scotland.

A valve for constant pressure delivery', by J.H. Lees. Reprinted from the Journal of Scientific Instruments, vol. XI, no. 5

Methods of testing at the Netherlands Government Research Institute'. An information Bureau circular no. 181 of the Research Association of British Rubber Manufacturers.

X-ray studies in the structure of hair, wool and related fibres; III. The configuration of the keratin molecule and its orientation in the biological cell', by W.T.Astbury and W.A. Sisson. Reprinted from Proceedings of the Royal Society of London, Ser...

A simple and accurate viscosimetric form of rennet test', by C.W. King and E.M. Melville. Reprinted from the Journal of Dairy Research, vol. X, no. 2

The molecular structure of the fibres of the collagen group', by W.T. Astbury. The first Proctor Memorial Lecture, delivered before the Conference of the London International Society of Leather Trades' Chemists.

The scattering of light in sols and gels', by F.G. Donnan and K. Krishnamurhti. Reprinted from the Colloid Symposium Annual

Chemical reflections', by Stephen Miall. A series of short articles reprinted from the Journal of the Society of Chemical Industry, (unspecified volumes).

Crystal structure of methane at the transition point, 20.4°K', by Alex Müller and A. Schallamach. Reprinted from Nature, vol. 143.

The biochemical activities of the acetic acid bacteria', by K.R. Butlin, C.R.B. Paper no. 67.

Treatment and disposal of waste waters from the manufacture of picric acid'. A Water Pollution Research Board Publication, no 426.

Experiments at very low temperatures obtained by the magnetic method; I - the production of low temperatures', by N. Kürti and F. Simon. Reprinted from the Proceedings of the Royal Society of London. Series A, no. 866, vol. 149