. mining and engineering journal . illiam Swanlon and Alfred James Wilson.—Iiii|.niv:.mcnts in directive signalizing devices for vehicles. 21 FRANK E. NOTT, Private Detective. Boi 1587. 80 & 81, PERMANENT BLDGS. Telegrams iSLEUTH DiYorce Slander, Watching, etc Delicate negotiation* in all partiof the world. Conaultations Free NEW AND UP-TO-DATE FOUNDRY will undertake to supplyCastings of every description in Brass, Gun Metal, Phosphor Bronze andAcid-resisting MetaL Duplicate Orders a speciality. CENTRAL BRASS FOUNDRY. 49, POLLY STREET,Quotations on receipt of particulars. JOHANNESBUR
. mining and engineering journal . illiam Swanlon and Alfred James Wilson.—Iiii|.niv:.mcnts in directive signalizing devices for vehicles. 21 FRANK E. NOTT, Private Detective. Boi 1587. 80 & 81, PERMANENT BLDGS. Telegrams iSLEUTH DiYorce Slander, Watching, etc Delicate negotiation* in all partiof the world. Conaultations Free NEW AND UP-TO-DATE FOUNDRY will undertake to supplyCastings of every description in Brass, Gun Metal, Phosphor Bronze andAcid-resisting MetaL Duplicate Orders a speciality. CENTRAL BRASS FOUNDRY. 49, POLLY STREET,Quotations on receipt of particulars. JOHANNESBURG Box 3807. Phone 5892. DELTA METAL H. ALERS HANKEY Sole Agent. 278 THE SOUTH AFEICAN MINING JOUENAL. Johannesburg, Nov. 18, 191G. Workmen employed about 6,000 HADFIELDS, LTD. Hecla and East Hecla Works. Sheffield. England. Works area over 110 acres. Steel Skip & Wagon Wheels, WITH AXLES AND BEARINGS. Hadfields SpecialFast Method of Fitting prevents any possibility of the wheels working loose under the most severe J COMPLETEOre Crushing Plants. SPECIAUTY : IMPROVED Heclon Rock & Ore Breaker. Shoes. Dies. Balls. Grizzley Bars. Crushing Rolls. Jaw Faces, Cones. Concaves, etc. Head Office for South Africa : 46-47, CULIINAN BUILDINGS, JOHANNESBURG. Phone 5900. Box 1009. Tel. Add.: HECLA. Stores : DENVER, TRANSVAAL (Adioining Denver Station). SOLE MAKERS OFHadfields Patent -ERA MANGANESE STEEL, THE SUPREME MATERIAL For the Wearing Parts of Stone Breaking and Ore Crushing Machinery, etc. Bulawayo Agents : WHITMORE & JACKSON,17 & 18, Agency Chambers. Salisbury Agents : P. PEECH & CO., Angwa Street. Natal Agents : THOS. BARLOW & SONS, Smith Street, Durban. Joluuinesbi Nov. IH, liJlG. THE SOUTH AFEICAN MINING JOUKNAL. SOME SUGGESTIONS ON THE DESIGN OF BELT CONVEYORS. (Jf thf mauy mechanical devices now iu use for tlie convey-ing of Hiateriala probably none has been more widely adoptedthan the belt conveyor. Its simplicity and its efficiency arefull justification for
Size: 1974px × 1266px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectmineralindustries
