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Technical | Ventilation | Mechanical > Walker fans
Section under development
The ‘ Walker Indestructible’ Fan, a direct descendant of the Guibal Fan, was patented in 1887 (no. 17141)
Walker Indestructable fan construction (JST)
Walker Indestructable fan - side elevation (JST)
Walker Indestructable fan - end elevation (JST)
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05 May, 2009
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11:33:04 AM
