| Description | Drawings of Mills, Other Firm’s Products etc. (3 items).
1463. Coal Boring Tools and Apparatus. Jan., Mar. Jun. 1808. 3 items.
Tools used in boring for coal, measured at Dudley Port - pencil drawing, Jan. 1808.
Boring tools - shaded drawing, Mar. 1808.
Front and side view and plan of boring apparatus - coloured drawing, Jun. 1808.
Tools and apparatus for making trial borings? The Drawings Day Book describes the coloured drawing of the apparatus as being made "for [the] office". |