John C. Wilson and Co

John C. Wilson and Co; office at 17 Gracechurch Street, London
This would seem to be the engineering company of John Charles Wilson, colonial engineer
1874 Constructors of water pressure engines and hydraulic packing presses
1882 Joined in business by Massey Bromley who was killed on 16th July 1884 in the railway accident at Penistone - see Wilson and Bromley