At Derby is situated one of the world's greatest ear and aero-engine works, and it will he interesting to note the amazing difference between the noise made in testing the two kinds of engine, the former being remarkable for its silence and the latter being a really good test for the endurance power of the microphones. A general talk will be given by Mr. A. F. SIDGREAVES with incidental noises during various building processes from a works at Derby.

by the Massed Bands and Drums of THE 5TH BN. THE SHERWOOD FORESTERS
(by permission of Col. J. D. Kerr , M.C., T.D., and Officers)
From THE DRILL HALL, DERBY Sounding of Retreat
Drummer's Call First Post Last Post
Lights out
Brigade Fanfare
Directed by Bandmaster S. J. HOWARTH and Drum Major P. PHILLIPS

EVELYN OVER (Soprano)
THE MIDLAND STUDIO ORCHESTRA
Directed by FRANK CANTELL

"Coming Events '

Robert Algar (Songs in Costume)
Nina Devitt and Jack Browning (Say it with Steps)
Michel (Xylophone)
(Vision, 261.3 m.; Sound 398.19 m.)