192 on Leonardo da Vinci 



one of those 



remark of the King, qn - 

 men: 



■ nableoL- - ItheK . 



Records of L - . _ 



.Dalisation in 

 Arno from Pisa as a war m 

 staL ■ -. 



of the Turks aero- 

 purp>ose of irrigation, an ". 

 sup: [Dan; and the canal of B 



plan- 

 Loire and the Saone. 



bis activities I 

 ments of warfare figures in the 



there : — " I can make armou: g .nd immnne from 



attack which will open up asage through 



artillery, and how I the mnltitu". 



will be able to break through. And behind them tJ ill be 



able to follow quite unhurt and without hindrance." 



i armoured wag in a drawing in the 



British Museum. It is moved 



half shows the internal machir. - - 



the nature oi I wer. The use of i 



order to open op a passag s;h the t 



identical with that of the tank in : . ■ 



The manuscr:" - _ - _ 



two other developments o: gas 



submarining. 



He contemplated the use of p : s s gat 

 warfare for the purpose of suffocating the enem; h « I 



make a simple preventive mask. He :-on- 



tingencv — as happened on occasions in s — of 



wind causing the poison to recoil up 



The passage, which occurs in the MS. B of the Paris 

 Titled. •* How to throw poison in thefoi rupon sh 



"' By means of cat :v • - 



lime, arsenic, and verdigris may be thrown upon 

 enemy, and all who inhale the pc 



•* But tak 

 back upon you. ar I be £ 

 cover the nose and mouth in or I 



In the second se _ in the Leicej 

 the horrors of submarine warfare, and re:. - - 

 tion as to the machine which he has stmd 

 to brin^r them about : — 



