The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

[1698]. Scoop wheel for raising water. See also [No. 1024].

[1699]. Wheel, with internal buckets and feed.

Note that most of these may be reversed and made into water raising machines, as [No. 1698].

[1700] to [1703]. Sections of various forms of buckets in wood and iron. No. 1703 is a ventilated bucket which allows air to escape as the water enters.

For governing speed of water wheels and turbines, see [Section 41].

[1704]. Fourneyron’s turbine, outward flow; the outer vanes are fixed, the inner ones revolve with the shaft.

[1705]. Jonval’s turbine, downward flow; either the upper or lower set is fixed.

[1706]. Swain’s turbine, inward and downward flow, with inward curved vanes or flumes.

[Larger plate.]