Douglas, Alan Lockhart Monteith, 1899-  Douglas, Alan Lockhart Monteith, 1899- <br/><br/>
The electrical production of music / 
with a foreword by H. Lowery. 
 - London :  Macdonald,  [1957] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Music -- Acoustics and physics.--Music -- Acoustics and physics.<br/>Musical instruments, Electronic.