Instruction of electric call bells in the temporary Structure in the Legislative Building Compound.  
 File No.       1E   - 17  / 38 

 -  1938 
 - 9 p;   H-35 cm; W-22 cm 
<br/><br/> সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) <br/><br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instruction --electric call bells