WITH NOTES. 511 



[Light Pistol-barrels, ,] One might almost suppose 

 the Marquis contemplated a method similar to that 

 recently introduced by Mr. Longridge, of winding the 

 barrel with wire. 



See also article No. 44, which may, or not, refer to 

 the same description of barrel. 



81. 



A Combe-conveyance carrying 

 of 9 Letters without fufpicion, the 

 head being opened with a Needle- 

 fcrue drawing a Spring towards 

 them 1 ; the Comb being made but 

 after an ufual form carried in ones 

 Pocket. 



9 of omitted. * one for them. MS. and P. 



[-4 Comb-conveyance for Letters^] The entire inge 

 nuity of the kind of conveyance proposed consists in 

 the skill of the workman to provide a receptacle in so 

 small an article, not open to suspicion when handled by 

 a spy. 



82. 



A Knife, Spoon or Fork in an 

 ufual portable Cafe, may have the 

 like conveyances in their handles. 



[A Knife, Spoon or Fork-conveyance.^ William 

 Bourne s 73rd Device is &quot; How for to convey letters 

 secretly.&quot; One means is to be found in a Dog s collar. 

 Another in a water-tight metal case, to be inserted 

 within a bottle of wine. &quot; Inventions or Devices,&quot; 1578. 



