Alt Ref NoRHIW/37
TitleInquiries regarding Modern Methods - apparatus etc. Copies of pamphlets, originals, translations etc.
Description(i) Electric Rock-Drilling Machinery.. Cleveland (1893 by A.L. Steavenson
(ii) La Puleggia Penetrante (Roma, 1889-1899 by A. Monticolo
(iii) Letter from G.J. Williams, Inspector of Mines, Bangor to Mr Humphreys of Rhiwbach, enclosing translation (25 March 1901)
(iv) Translation of (ii)
(v) L'Usage du Fil Helicoidal pour la Taille du Marbre en Roche (Saint-Etienne, 1900) by M.N. Pellati
(vi) Translation of (v)
(vii) Extrait de la Notice sur les Cables en ce que concerne le Episseurs (n.d.)
(viii) Summary of (vii) in English by a J. J. Burrows
(ix) "Modern Quarry Methods" - booming of the Ingersoll - Sergeant Drill (Cleveland, Ohio, 1901)
(x) Pennant Stone. Messrs. Mackay and Davies' Quarries (Reprint from "Quarry", February 1901)
(xi) Le Fil Helicoidal et le Sciage Des Rochers, from "Revue Mineralurgique", March 1904
(xii) Translation of (xi)
(xiii) Interesting evidence of further inquiries, especially of Continental firms (1900-1902). Many letters addressed to firms and foundries at Paris, Thonar, and Hornu in Belgium to Fabbricotti and Figli at Carrara, Taskar at Andover (nearly all over wire-saws cutting, portable jig-wheels etc.)
Date1893-1904
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