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Stauffer oiler type improved to allow the lubrication of a zone under pressure thanks to a no-return valve. |
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A manual effort on the leather hat actuates a vertical piston located in the center of the zone out of glass. | detail |
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Huilor with hopper of filling The handle of bottom puts oil in pressure to lubricate a zone of steam engine. The filling is done by opening the handle top. |
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simple vertical piston pump. model entirely out of nickelled brass.
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simple horizontal piston pump. The handles are out of wood what indicates
that this model can be used on steam engines |
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model of pump imitating the manual water pumps. This model replaces the drips models when a great quantity is necessary | detail |