LABORATORIES FOR SPECIAL PURPOSES 75 



Nature of Investigation. 



Department for which 

 Conducted. 



Alleged emanation of lead vapours from 

 painted surfaces. (Published in Re- 

 port of Departmental Committee on 

 Lead Paints.) 



Composition and properties of Celluloid. 

 (Published in Report of Departmental 

 Committee on Celluloid.) 



Preservation of Roof Timbers of West- 

 minster Hall. (Published in Report of 

 H.M. Office of Works on Westminster 

 Hall.) 



Prevention of Corrosion of Iron by 

 means of varnish painting. (Not 

 published.) 



Elimination of ultraviolet rays from the 

 light of electric lamps. (Not pub- 

 lished.) 



The permanency of colours used in 

 printing of postage and fiscal stamps. 

 (Confidential ; not published.) 



Composition and character of Milk 

 Powders. (Not published.) 



Preservatives in British-Made Wines. 

 (Not published.) 



Composition of the Wax of Mediaeval 

 Seals. (Subsequently published in 

 Transactions of Chemical Society, 

 1914, p. 795.) 



Authenticity of writing in a Book of 

 Revels, 1604-5 A.D. (Results pub- 

 lished in " Supposed Shakespeare 

 Forgeries," by Ernest Law, B.A. 

 G. Bell and Sons.) 



Preservation of Old Records. 



Home Office. 



do. 

 Office of Works. 



do. 



do. 



Inland Revenue and 

 Post Office. 



Local Government 

 Board. 



do. 



Public Record Office. 



do. 



Meteorological Office. 



