Replica spinning head and drawings for first experimental terylene extruder, together with one bottle sample sand, seven test sieves and five test 'candles'
One bottle of sample sand, seven test sieves and five test 'candles', from replica spinning head and drawings for first experimental terylene extruder
Replica spinning head, originally with drawings for first experimental terylene extruder, one bottle of sample sand, seven test sieves and five test 'candles'
Drawings for first experimental terylene extruder, from replica spinning head, bottle of sample sand, seven test sieves and five test 'candles'
