- 1Works photographic negative of building interior, Richard Johnson & Nephew, Manchester (YA1972.36/MS0231/Neg 1400)
c.1914, item - 2Works photographic negative of works interior, Richard Johnson & Nephew, Manchester (YA1972.36/MS0231/Neg 1401)
c.1914, item - 3Works photographic negative of building interior, Richard Johnson & Nephew, Manchester (YA1972.36/MS0231/Neg 1402)
c.1914, item - 4Richard Johnson, Clapham and Morris Ltd catalogue (YA1996.33)
1931-1932, item - 5Rod Mill (YA1997.43/1)
1974, item - 6Rod Mill (YA1997.43/2)
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1974, item - 7Galvanizing (YA1997.43/3)
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1974, item - 8Barb (YA1997.43/4)
1974, item - 9Untitled (YA1997.43/5)
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1974, item - 10Geoffrey Key Sketches of Wire and Rod Making Process at Richard Johnson & Nephew (YA1997.43)
1974, fonds - 11Lithographic print of a crayon drawing "Galvanizing" (YA2007.57/1)
1974, item - 12Lithographic print of a crayon drawing "Untitled" (YA2007.57/2)
1974, item - 13Lithographic print of a crayon drawing "Rod Mill" (YA2007.57/3)
1974, item - 14Lithographic print of a crayon drawing "Barb" (YA2007.57/4)
1974, item - 15Lithographic print of a crayon drawing "Rod Mill" (YA2007.57/5)
1974, item
