146 MEMOIR OF THE LATE PROF. E. HODGKINSON^ F.R.S. 



" A few Remarks on the Menai Bridge '^ (read Dec. 

 I2th, 1828), vol. V. 



" Theoretical and Experimental Researches to ascertain 

 the Strength and best Forms of Iron Beams " (read April 

 2ud^ 1830), vol. V. 



" Appendix to the Paper on the Chain Bridge at Higher 

 Broughton^ Manchester/^ vol. v. 



" Some account of the late Mr. Ewart's paper on the 

 Measure of Moving Force^ and of the recent applications 

 of the principle of Living Forces to estimate the effects 

 of Machines and Movers ^^ (read April 30th, 1844)^ 

 vol. vii. 



He occupied in succession the distinguished positions of 

 Vice-President and President of this Society. 



He was a leading member of the British Association for 

 the Advancement of Science from its commencement^ and 

 contributed greatly to the interest and efficiency of the 

 mathematical and mechanical sections. He also gave 

 active help to the Association in several valuable reports 

 on pure and mixed science. These report s^ which have 

 in a great degree assisted in maintaining the high scientific 

 renown of the Association_, are as follows : — 



Third Report^ 1833: — *^^ On the Effect of Impact on 

 Beams." — " On the direct Tensile Strength of Cast Iron." 



Fourth Report, 1835: — '^^ On the Collision of Imper- 

 fectly Elastic Bodies." 



Fifth Report, 1835 : — " Impact upon Beams." 



He held the distinguished position of Vice-President of 

 the Association in the year 1861. 



In the year 1841 he was elected a Fellow of the Royal 

 Society, and contributed to its Transactions two elaborate 

 papers : — 



" Experimental Researches on the Strength of Pillars 

 of Cast Iron and other materials " (read May 14th, 

 1840). 



