See also:HENRI See also:- LOUIS
- LOUIS (804–876)
- LOUIS (893–911)
- LOUIS, JOSEPH DOMINIQUE, BARON (1755-1837)
- LOUIS, or LEWIS (from the Frankish Chlodowich, Chlodwig, Latinized as Chlodowius, Lodhuwicus, Lodhuvicus, whence-in the Strassburg oath of 842-0. Fr. Lodhuwigs, then Chlovis, Loys and later Louis, whence Span. Luiz and—through the Angevin kings—Hungarian
LOUIS See also:DUHAMEL DU MONCEAU (1700-1782)
, See also:French botanist and engineer, son of See also:Alexandre See also:Duhamel, See also:lord of Denainvilliers, was See also:born at See also:Paris in 1700
.
Having been requested by the See also:Academy of Sciences to investigate a disease which was destroying the See also:saffron plant in Gatinais, he discovered the cause in a parasitical fungus which attached itself to the roots, and this achievement gained him See also:admission to the Academy in 1728
.
From then until his See also:death he busied himself chiefly with making experiments in See also:vegetable See also:physiology
.
Having learned from See also:Sir Hans See also:Sloane that See also:madder possesses the See also:property of giving See also:colour to the bones, he fed animals successively on See also:food mixed and unmixed with madder; and he found that their bones in See also:general exhibited concentric strata of red and See also:- WHITE
- WHITE, ANDREW DICKSON (1832– )
- WHITE, GILBERT (1720–1793)
- WHITE, HENRY KIRKE (1785-1806)
- WHITE, HUGH LAWSON (1773-1840)
- WHITE, JOSEPH BLANCO (1775-1841)
- WHITE, RICHARD GRANT (1822-1885)
- WHITE, ROBERT (1645-1704)
- WHITE, SIR GEORGE STUART (1835– )
- WHITE, SIR THOMAS (1492-1567)
- WHITE, SIR WILLIAM ARTHUR (1824--1891)
- WHITE, SIR WILLIAM HENRY (1845– )
- WHITE, THOMAS (1628-1698)
- WHITE, THOMAS (c. 1550-1624)
white, whilst the softer parts showed in the meantime signs of having been progressively extended
.
From a number of experiments he was led to believe himself able to explain the growth of bones, and to demonstrate a parallel between the manner of their growth and that of trees
.
Along with the naturalist See also:Buffon, he made numerous experiments on the growth and strength of See also:wood, and experimented also on the growth of the mistletoe, on layer planting, on smut in See also:corn, &c
.
He was probably the first, in 1736, to distinguish clearly between the alkalis, potash and soda
.
From the See also:year 1740 he made meteorological observations, and kept records of the See also:influence of the See also:weather on agricultural See also:production
.
For many years he was inspector-general of marine, and applied his scientific acquirements to the improvement of See also:naval construction
.
He died at Paris on the 13th of See also:August 1782
.
His See also:works are nearly ninety in number, and include many technical handbooks
.
The See also:principal are: Traite See also:des arbres et arbustes qui se cultivent en See also:France en pleine terre ; Elements de l'See also:architecture navale ; Traiti general des peches maritimes et fluviatiles; Elements d'See also:agriculture; La Physique des arbres; Des Semis et plantations des arbres et de leur culture; De l'exploitation des bois; Traite des arbres fruitiers
.
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