226 



VARIETIES OF SHOT-GUNS, ETC. 



The London mark of provisional proof consists of the 

 letters (G p) in a cypher, over which is a lion rampant. For 

 the Birmingham provisional proof the mark is a cypher (B p) 

 beneath a crown. See the annexed figure, giving an en- 

 larged view : 



LONDON. 



BIRMINGHAM. 



12 



FIG. 20. PROVISIONAL PROOF MARKS. 



The definitive marks remain as before, as shown in the 

 following engraving, about twice the actual size : 



LONDON. 



BIRMINGHAM. 



FIG. 21. DEFINITIVE PROOF MARKS. 



The proof marks are impressed on the following parts of 

 the various classes : 



On the first and third class the definitive proof mark is 

 impressed at the breech end of the barrel ; and if with a 

 patent breech, on that also. 



On the second, fourth, and fifth classes the provisional 

 mark is impressed at the breech end of the barrel, the de- 

 finitive mark upon the barrel above the provisional ; and if 



