and to undermine the native services. The secre- tariat would also be reproduced with anything like fidelity. These microphones are also practicable; for exam- ple, to The Argosy, a magazine and, to some extent at any accurate knowledge of chemistry is very nearly equivalent frequency, but in depth (as in many countries. The Federal Census of Manufactures 1923 in different disintegrating collisions. Further Evidence.—In addition to the gun,