Fig. 372.
Fig. 373.
Another admirable and important element of Mr. Ransome’s inventions is the applying of the silicate of lime to the preservation of stone. The sculpture on St. George’s Hall, Liverpool, the Custom House at Greenock, Trinity College, Dublin, and many other public buildings, have been successfully treated with this solution, which hardens and renders the surface indestructible by time or weather.
The trade mark of the company, which is the only mark used in this manufactory, is a winged genius grinding an arrow, from an antique gem at Rome. It is shown on Fig. [373]. The works are under the personal superintendence of Mr. A. Pye-Smith, with Mr. Frederick Ransome as consulting chemist; Mr. Bessemer is the chairman.
Deptford.
In the seventeenth century a pottery existed here, where were manufactured melting-pots, “the best in the world, especially for founders.” These were in great repute, and gradually superseded those imported from Holland, Germany, and Denmark.