1851 Great Exhibition: Official Catalogue: Class VII.: Thomas Bermingham
13. BERMINGHAM, THOMAS, Clarendon Lodge, Sandymount, Dublin — Improver.
A box of improved patent compasses. The legs, which draw out, have fine needle points, and a pen and pencil to turn on a swing, forming a useful set of instruments in one. This instrument is made after the pattern of Desire Lebrun, by Elliot, London.
In the following cut, A A represent the stems of the compasses. B B, elongated bars which run into the stems worked by screws. C C, the screws. D, pen, and E, needle point, either of which may be turned to the end by pivot F. G, H, pen and pencil, worked same as D, E. The entire forms but one instrument.
A model of Theuard's moveable flood-gates or lifts, called "hauses," for rendering rivers navigable, and supplying the place of fixed stone weirs, which exhibits a mode of fixing the lifts, or hauses, at the bottom of the river, so as to prevent stonework impeding the current. They are cheaper than weirs; prevent the flooding of adjacent lands; and are useful in fisheries, mill-power, arterial drainage, and navigation. They are in operation in the river L'Isle, in France.
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