His close knowledge of law in its bearing on railway, dock, and labour questions was responsible for what is now known in history as the " Taff Vale Case," in which, after a prolonged struggle, the Taff Vale Company recovered £23,000 from the Amalgamated Society of Railway Servants, as damages resulting from a strike on the Company's system.
A rigid disciplinarian, he has succeeded in establishing a high standard of efficiency among the large staff under his supervision ; but happily mingled with his strong belief in the virtue of thorough discipline, is a great tactfulness and a close interest in the real permanent welfare of those in the service, and there are few if any railway companies in the country where ties of deeper affect on bind the servants to the management.
When the Bristol Channel Dock Owners' Association was formed three years ago, Mr. Beasley was unanimously appointed its President, and under his direction this Association has already been able to exercise a very considerable influence on recent administrative and legislative changes relating to dock questions.
The thoroughness of his methods in administration, his experience of everything appertaining to railway and dock management, together with his commanding personality, have contributed in securing for him the esteem of his contemporaries and a permanent place amongst the men who have been the leaders in the industrial building of South Wales."
In the annual accounts of the Taff Vale Railway Company for the year ended 31st December 1921, Ammon Beasley Esq., is confirmed as being the Deputy-chairman of the company and residing at the Lindens, Penarth, Glamorgan.
His death was announced in 1923 - "Mr. Ammon BEASLEY, former general manager of Taff Vale Railway, (and later Director) and a Director of the Cardiff of the Cardiff Pontoon and Slipway Company, just celebrated his 68th birthday. Mr. Ammon BEASLEY, lives at The Lindens, Penarth". Western Mail [036] November 1923.