SERIAL DIGESTS AND INDEXES 29 



TJ. Mechanical Engineering". 



Mechanical Engineering Abstracts. 01.3,1912. (Monthly, with yearly 

 consolidated issue. 



London, International Institute of Technical Bibliography. 

 Cf. supra T. 



Revue de Mecanique. (Monthly.) Tome 30, 1912. 



Paris, Dunod & Pinat. 40 frs. 

 " Literature des Pdriodiques et Brevets." Very full illustrated abstracts. 



TJ 990. Compressed Air. 



Zeitschrift fiir komprimierte und fliissige Case. (Monthly.) Jahrg. 14, 

 1911-12. Weimar, Steinert. 8 mks. half-yearly. 



" Zeitschriften und Biicherschau." 



TJ 1350. Hoisting and Conveying. 



Fordertechnik. Zeitschrift fiir den Bau und Betrieb der Hebezeuge. 

 (Monthly.) Jahrg. 5, 1912. Wittenberg, Ziemsen. 16 mks. 



" Zeitschriftenschau " published at intervals. Very full illustrated patent ab- 

 stracts published monthly. 



TK. Electrical Engineering. 



Electrical Engineering Abstracts. Vol. 3, 1912. (Monthly, with yearly 

 consolidated issue.) 



London, International Institute of Technical Bibliography. 

 Cf. supra T. 



Electrical World. (Weekly.) Vol. 59, 1912. 



New York, McGraw Publ. Co. 86. 

 " Digest of current electrical literature." 



Fortschritte der Electrotechnik. (Quarterly.) Jahrg. 25 (and final vol.) 

 1911. Berlin, Springer. Each 36 mks. 



One of the most complete and trustworthy digests of professional literature pub- 

 lished. Each quarter contains a classified index under seventeen main classes (further 

 sub-divided) of references to periodical articles and patents, the more important of 

 which are abridged in the same number. Full annual indexes of patents, names and 

 subjects are published with an appendix of book review references. From 1912 onward 

 this publication will be amalgamated with " Electrical Engineering Abstracts," q.v. 



Science Abstracts. B. Electrical Engineering. (Monthly.) Vol. 15, 1912. 



London, Spon. is. 6d. per number. 

 See abne QC Physics. 



TK 5700. Radio-Telegraphy. 



Jahrbuch der drahtlosen Telegraphic und Telephonic. (Six parts yearly.) 

 Band 5, 1912. Leipzig, Earth. 20 mks. 



A digest of the year's literature and patents. 



TL 501. Aeronautics. See also U Naval and Military 

 Sciences. 



Advisory Committee for Aeronautics. Technical Report, 1910-11. 



Stationery office. 6s. 

 Abstracts of Technical Papers and References ; No. vii.-xii., pp. 92-128. 



