A substantial part of the business became model and small scale engineering particularly related to small-scale generation of electricity for charging batteries and lighting, and ways of driving other light loads including gas, oil and steam engines.
In the 1890s they had a very visible advert in City Road as they had erected an arc lamp enclosed in a large elaborate globe.
The electrical side of the business was involved in the production of field telephone sets, and accumulators (electrochemical cell batteries) for war purposes.
[1] At some time during or immediately after the war, the company acquired stock and casting patterns from several companies, including the model steam fittings of Betrand Garside, the model locomotive 'specialities' of Southwark Engineering Co, and the productions of the Gas Engine Repair Co.
They all bore a small oval badge stating Whitney City Road London, and it seems likely they were sold as complete items rather than as sets of castings.