SEJ. 10. ELECTRICITY. 



1719. Abel's Fuze for Royal Engineer Service, 1862. 

 Composition, subphosphide of copper, primed with gunpowder. 



F. A. Abel, F.R.S. 



1720. Submarine Fuze, for instructional purposes only. 

 Composition, blacklead and fulminate ; priming, sulphide of anti- 

 mony and chlorate of potash. F. A. Abel, F.R.S. 



1721. Beardslee Fuze, 1864. Streak of blacklead between 

 the poles, primed with gunpowder. F. A. Abel, F.R.S. 



1722. Abel's Land Service Detonator. Composition, 

 phosphide of copper, primed with fulminate of mercury. 



F. A. Abel, F.R.S. 



1723. Submarine Detonator. Composition, graphite and 

 fulminate of mercury ; priming, fulminate. F. A. Abel, F.R.S. 



1724. Gun Tubes (low tension). Original form, McKinlay. 

 Gunpowder priming. F. A. Abel, F.R.S. 



1725. Abel's Gun Tube (high tension). Original form. 

 Gunpowder kept damp by chloride of calcium (1857). 



F. A: Abel, F.R.S. 



1726. Gun Tube (high tension). Service, Abel's. Composi- 

 tion, subphosphide of copper, with tube of gunpowder. 



F. A. Abel, F.R.S. 



1727. Gun Tube, naval, platinum, silver-wire, '0014 inch in 

 diameter. Composition, gunpowder and gun-cotton, with tube of 

 gunpowder. F. A. Abel, F.R.S. 



1728. Series of Specimens illustrating the development of 

 the applications of Electricity to the explosions of mines, guns, 

 &c. 



1. Original form of wire fuze. 



2. Statham fuze. 



3. Platinum wire gun tube and section. 



4. Experimental high tension fuze. 



5. Abel's electric fuze and section. No. 1. 



6. Abel's electric gun tube and section. No. 4. 



7. Abel's platinum wire fuze and section. No. 5. 



8. Austrian electric faze (Von Ebner's) and section. 



9. Abel's submarine fuze and section. No. 2. 



