File:FrankBirch LBSC WaterPump LSJune1980.jpg

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This little duplex pump is of LBSC design and was built by Frank Birch. It has 5/16 inch bore (steam) and 5/32 inch water pistons. Although made to pump water, this tiny rig withstood a test by steam as it pumped up a toy balloon with air. From Live Steam Magazine, June 1980.

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current23:14, 24 January 2020Thumbnail for version as of 23:14, 24 January 2020776 × 898 (1.04 MB)Dnevil (talk | contribs)This little duplex pump is of LBSC design and was built by Frank Birch. It has 5/16 inch bore (steam) and 5/32 inch water pistons. Although made to pump water, this tiny rig withstood a test by steam as it pumped up a toy balloon with air. From Live...

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