Journal of scientific instruments /  
Institute of Physics. 
 - [s.l] : [s.n],    1923- 
 - v. :    ill. ;    26 cm. 
 - Monthly 
 - Vol. 1, no. 1 (1923)- 
<br/><br/>  Latest issue consulted: Vol. 30, no. 12 (1953). 
<br/><br/><label>Dewey Class. No.: </label>505