During his time with the Board of Trade he investigated numerous railway accidents, such as those at Witham, Essex in 1905 and at Ilford, Essex, in 1915, and also carried out safety inspections of tram services, such as that at Warrington, Lancashire.
I perioden i Board of Trade efterforskede han adskillige jernbaneulykker, f.eks. dem i Witham, Essex i 1905 og i Ilford, Essex i 1915, og han udførte også sikkerhedsinspektioner af sporvogne.