EEPORTS OF MEETINGS. 235 



" The Conduction of Electricity through Copper Filings." 

 —Mr. D. Rintoul. 



" The Purification of Mercury." — Mr. W. A. Shenstone. 



" A New Form of Bunsen and Roscoe's Pendulum Actino- 

 meter." — Mr. J. Quick. 



CHARLES R. BECK, Hon. Sec. 



ENGINEERING SECTION. 



I \UR1NG the Session 1893-4 five meetings were held. 

 -*~-^ The following papers were read: — "Surveying in 

 Unexplored Countries : the Johore Survey," by A. Wharton 

 Metcalfe, Assoc. Mem. Inst. C.E.; "Pearson's Patent Drilling 

 Apparatus for Establishing large Branch Connections to 

 Water and Gas Mains whilst charged under Pressure, and 

 for like or Analogous Purposes," by H. W. Pearson, M.I.C.E. 



Adjourned discussions occupied two evenings. 



An excursion of members and friends took .place to Cardiff 

 on Friday, August 18th, 1893. About twenty-five attended. 



After viewing Cardiff Castle (interior and exterior) and 

 the new building being erected for the South Wales Institute 

 of Engineers, lunch was taken at the Park Hotel. There- 

 after the party was conveyed by special train from the 

 Rhymney Station to the Roath Dock of the Bute Docks Co., 

 where an inspection was made of the many new and interest- 

 ing appliances designed by Sir W:: T. Lewis and others for 

 the shipment of coal. 



Thence the party was conveyed to the recently laid out 

 Dowlais- Cardiff Works, where there are, inter alia, three 

 blast furnaces, 75 ft. high, turning out 1,300 tons each per 

 week, four powerful blast engines, eight pumps, eight hot- 

 blast stoves, six 25-ton Siemen's steel melting furnaces, and 



