REVIEWS 505 



contains additional matter dealing with calcination furnaces, blast-roasting, 

 and the Bessemer process of copper extraction ; but it cannot be said to be 

 fully up-to-date. The explanation, which is given by the reviser, is that the 

 war intervened during the work of revision when much of the book had already 

 been prepared and was in type. The effect of this is more liable to be noticed 

 in the case of a metal such as copper, the smelting practice of which has been 

 undergoing various changes during the last few years, and details of some of 

 the improvements have only recently become available. However, this 

 section contains much valuable information and will be found of distinct 

 use. It is hoped that Prof. Louis will be able to give a brief account of 

 these modern developments as an appendix to the second volume. The 

 portion devoted to lead has been enlarged by descriptions of the Savelsberg 

 process, pot-roasting, blast-roasting without lime, and down-draught pro- 

 cesses. It is noticed that the American form of spelling the word " draught " 

 has been adopted, which can scarcely be commended. Most useful additions 

 have been made under " Gold " by the clear and concise accounts of the 

 cyanidation process, the all-slime process, fine-grinding and various methods 

 of classification, and now this section which, in previous editions, has been 

 inadequate, is greatly improved. 



Much obsolete matter has been deleted, but it would have been an 

 advantage if the abridgment of descriptions of many of the older processes had 

 gone further. However, it is recognised that this might have involved much 

 rewriting which perhaps would not have been justified ; but, on the other 

 hand, it would have given more space for new matter, an important con- 

 sideration in revising when the bulk of a book may not be unduly increased. 

 A possible alternative would have been to have used smaller type for these 

 older descriptions, and this would have helped the student to realise their 

 true importance at the present time. 



The volume, which has been enlarged by about fortj^-five pages, main- 

 tains the form and standard of excellence of the former editions ; for it has 

 been carefully prepared, is well printed and illustrated, and deals with the 

 general metallurgy of the above-mentioned four metals in a comprehensive 

 nianner. 



Laboratories, Their Planning and Fitting. By Alan E. Munby, M.A., 

 F.R.I.B.A., with an historical introduction by Sir Arthur E. Shipley, 

 C.B.E., Sc.D., LL.D., F.R.S. [Pp. xix + 220, with 165 figures and 

 a frontispiece.] (London : G. Bell and Sons, Ltd., 1921. Price 25s. net.) 



All those who have at any time been concerned in the building, extension 

 or remodelling of a science department will appreciate the usefulness of an 

 authoritative book on the design and equipment of such buildings. The task 

 demands the co-operation of the scientific staff and the architect for its success, 

 and too often the first are quite ignorant of the difficulties and limitations 

 imposed on the latter. The science man probably has very definite views 

 on certain aspects of the work, and enters upon them with enthusiasm ; but 

 he is likely to be very much worried by other equally important details which 

 await on his decision and which he feels are quite outside his experience 

 and, perhaps, his interest. Such points as the positions of benches, cupboards, 

 radiators, gas taps and wall plugs, or the design of fume cupboards, drains, 

 bench tops and lecture tables must be settled with an eye on the demands 

 of the distant, as well as of the immediate, future. It is here that he will 

 be grateful for the assistance of Mr. Munby's book ; it will probably help 

 him more than many visits to the show departments in other towns and 

 countries. 



The arrangement of the book is as follows : First a chapter dealing with 

 building schemes in general, with remarks on the functions of the building 



33 



