32 TRIAL OF THE EXPLOSIVE SHELL. 



the success of the invention. "We find the following 

 report of one of these experiments in the North British 

 Daily Mail, of Oct. 13, 1866 : 



" Yesterday at Muirhouses Brickfield, head of Eglinton 

 Street, some interesting experiments took place with the 

 view of testing the power of a new description of detonating 

 powder, prepared by Mr. Robert Boyle, Glasgow, well 

 known for his missionary lectures in this city and throughout 

 Scotland. There were present on the occasion the Lord 

 Provost, Mr. Dalglish, M.P., Colonel Carter of the 63rd 

 regiment, Colonel Dreghorn, and other officers and gentle- 

 men. A cast-iron tube, 9 inches in length, and 2J 

 inches thick, with a bore three-fourths of an inch in 

 diameter, and closed at one end, was filled with Kames 

 crystal gunpowder, medium No. 2, while into another tube 

 of similar size and character was inserted a cartridge con- 

 taining only 2J drachms of the detonating powder. On 

 being discharged, the tube which had been filled with the 

 ordinary gunpowder was left uninjured, while the other 

 tube was shattered to pieces, some of which were forced 'deep 

 into the soil and others thrown to a considerable distance in 

 different directions. Colonel Carter and the other gentlemen 

 present expressed themselves completely satisfied with the 

 result. The powder is designed to be applied to the purposes 

 of war, in connection with a new description of shell which 



