Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,143 pages of information and 233,681 images on early companies, their products and the people who designed and built them.
Its intended application is obscure. It was designed to drill small holes in a horizontal plane. The drilling head was guided horizontally and vertically and positioned by leadscrews. These were of fine pitch and were equipped with micrometer dials to allow precise positioning. The machine could therefore be used for what is now known as 'co-ordinate drilling'. The spindle was belt-driven and was fed into the work by turning a screw.