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GB1221446A
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Press for use in making shell casting moulds
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GB1219483A
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Apparatus for moulding shell casting moulds
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GB1177741A
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Improvements relating to the Production of Hollow Core and Shell Casting Moulds
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GB1191199A
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Improvements in apparatus for making Shell Casting Moulds
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ES313592A1
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Improvements introduced in the facilities for the molding of molding machines. (Machine-translation by Google Translate, not legally binding)
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US2927032A
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Dry, friable molding batch with thermosetiting properties for foundry work
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DE515830C
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Lock cylinder with plate tumblers
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