1902: exhibits by Ernest A. Lewis

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List of all exhibits from the catalogue for this exhibition:

Exhibit no.ExhibitorExhibit titleSectionPictureCatalogue
333 Ernest A. Lewis Copper containing 3 per cent. oxygen, hammered, polished etched with ammonia. The dark masses are cuprous oxide; x 50 diameters. Scientific, Technical and Photo-Mechanical Exhibits   catalogue page
333 Ernest A. Lewis Copper = 95 per cent., manganese = 5 per cent.; etched with dilute sulphuric acid and electric current; x 35 diameters Scientific, Technical and Photo-Mechanical Exhibits   catalogue page
333 Ernest A. Lewis Copper containing 3 per cent. oxygen, cast, polished and etched with ammonia; x 50 diameters Scientific, Technical and Photo-mechanical Exhibits   catalogue page
333 Ernest A. Lewis Copper = 75 per cent., manganese = 25 per cent.; etched with dilute sulphuric acid and electric current; x 250 diameters Scientific, Technical and Photo-Mechanical Exhibits   catalogue page
333 Ernest A. Lewis Copper = 90 per cent., manganese = 10 per cent.; etched with dilute sulphuric acid and electric current; x 50 diameters Scientific, Technical and Photo-mechanical Exhibits   catalogue page
333 Ernest A. Lewis Copper deoxidised with 2 per cent. aluminium, forged, polished and etched with nitric acid; x 35 diameters Scientific, Technical and Photo-Mechanical Exhibits   catalogue page
334 Ernest A. Lewis Zinc, containing 0.5 per cent. iron, polished and etched with very dilute nitric acid; x 50 diameters Scientific, Technical and Photo-Mechanical Exhibits   catalogue page
334 Ernest A. Lewis Zinc, containing 0.5 per cent. silver, polished and etched with very dilute nitric acid, x 200 diameters Scientific, Technical and Photo-Mechanical Exhibits   catalogue page
334 Ernest A. Lewis Zinc, containing 0.5 per cent. antimony, polished, and etched with very dilute nitric acid; x 50 diameters Scientific, Technical and Photo-Mechanical Exhibits   catalogue page
334 Ernest A. Lewis Crystals of pure zinc, polished and etched with very dilute nitric acid; x 35 diameters Scientific, Technical and Photo-Mechanical Exhibits   catalogue page
334 Ernest A. Lewis Zinc, containing 0.5 per cent. copper, polished and etched with very dilute nitric acid; x 50 diameters Scientific, Technical and Photo-Mechanical Exhibits   catalogue page
334 Ernest A. Lewis Zinc, containing 0.5 per cent. cadmium, polished and etched with very dilute nitric acid; x 35 diameters Scientific, Technical and Photo-Mechanical Exhibits   catalogue page