378 SEC. 10. ELECTRIC IT Y. 



1713. Mining Fuse, platinum wire, improved construction 

 by Chemical Department, Woolwich. Wire, "003 inch in dia- 

 meter (Abel's electric fuze, No. 1). F. A. Abel, F.R.S. 



1714. Detonators, platinum wire, Chemical Department, 



Woolwich. Wire, '003 inch diameter. F. A. Abel, F.R.S. 



1715. Detonator (low tension), latest construction, with 

 bridges of platinum-silver or indio- platinum wire (* 001 4 inch in 

 diameter). F. A. Abel, F.R.S. 



1716. Statham and Brunton's Fuze, 1854. Composition : 

 sulphide of copper and fulminate of mercury. F. A. Abel, F.R.S. 



1717. Yon Ebner's Fuze, 1867 (earliest fuzes constructed 

 by Yon Ebner about 1855). Composition : coke, sulphide of anti- 

 mony, and chlorate of potash ; primed with gunpowder. 



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



1718. Abel's High Tension Fuze, 1858. Composition : sub- 

 phosphide of copper ; primed with gunpowder. F. A. Abel, F.R.S. 



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

 Composition : subphosphide of copper ; primed with gunpowder. 



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



10 2O. 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, McKiulay. 

 Gunpowder priming. F. A. Abel, F.JR.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 lube of 

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



