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William Hans Milde
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Individual
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Individual
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9950. Milde, W. H. May 7. Liquid levels, indicating.-In a liquid-level indicator of the kind in which a spiral strip d connected to an indicating- needle e is rotated by the rise and fall of a guided float f, the spiral strip is carried by a single bent rod b depending from the casing a, containing the indicator dial. The strip may be connected through bevelled gearing to an indicating- needle moving over a vertical dial. The casing a is screwed into the top of the tank &c., a washer r being provided to form a gas-tight joint.