Author: 
    
            
                    John Percy (1817-1889), metallurgist and Superintendent of Ventilation of the Houses of Parliament [ Captain Donnelly; Playfair ]        
         
 
      Publication details: 
    
            
                    1 Gloucester Crescent, Paddington [ London ]. 1 May 1868.        
         
 
1p., 12mo. In good condition, lightly aged, tipped-in onto part of a page from an album. He begins by stating that he is returning a 'paper altered and corrected'. He goes on: 'We have had some warm work at the H[ouse]: of Commons of late'. (Percy had been appointed Superintendent of Ventilation of the Houses of Parliament in 1865. Percy is 'working very hard at my 3d volume, a large portion of which is in type'.