INDEX.
1646
Page
Iter, or bridle way - 149
Jack for lifting
weights •• ~1001
Jacob’s staff - - 832
-, for measuring
heights, &c. -
834, 835
Jessop, William
- 363
Jet of water,
its
height
- 1215
Jetties 217. 220.
226. 236.
1522
Joas Johnson -
- 320
Joints in carpentry - 1306
-of arches -
- 1428
-, socket
- 549
Joists, to proportion - 1303
Journals -
- 949
Juniper, wood of
- 101
Kaminus or chimney 131
Key, grooving -
- 1037
Kilns for cement
- 721
- 1625
Knolles, Sir Robert - 614
Labelye, Charles
- 422
Labour, mechanical - 918
-, measure
of
value of
- 918
Laburnum wood
- 1286
Laconicum
121. 131
Ladders in mines
- 675
Lagunes
- 211
Lamp black
103. 728
—, apparatus for
making
730
Land reclaimed from
the sea
320
Lapping in carpen-
try - - -
1307
Larch, wood of 101. 1286
Larnica, gulf of
51
100
Lathe for turning
1029
-, without an axle
995
Latitude -
757
Latomias, or quarries
60
Latrina -
128
Laurel, wood of
101
Laurentinum of
Pliny -
122
Lavacrum
126
Lazaretto
209
-Ancona -
105
- Genoa
209
210
— Varignano
210
Lead mines - 659.
661
— casting
667
■ — hushing -
662
■-milled
667
-pipes, forming of 100.
166. 667,
668
-, red
103
Page
Lead, reducing - 667
-refining - - 666
-roasting - - 668
-sludge - - 668
-smelting - - 665
-smiddum - 664
-washing - - 663
Lecchi, Antonio - 206
Let-off for water - 564
Leupold Theatrum 962Levels, variety of - 796
-, gunners’ - - 736
-, instruments for 793
-, lines - - 736
, to rectify - 795
-, used by the
Romans - 106
Level cutting on
canals - - 1534
Levelling, compound 799.
802
Levers used by the
Romans- 201. 928. 982.
997
-, with toothed
wheels -
982
Lias formation
629
Libra aquaria -
166
Lichens which grow
on stone
384
Lifts on canals
1555
Light, Beale’s -
1242
-, reflected
784
Lighthouses
64
Bell rock -
341
Cape de la Heve
232
Cordouan -
240
Eddystone
367
Isle of Man
342
Lowestoft -
319
Menai
360
Northern -
342
Pentland Skerries
342
1229
Spurn point
329
Sunderland
335
—— lamps
361
Lignum vitas wood -
1287
Limaria -
168
Lime - 71. 78. 94,
. 717
-, wood of - 100.
1287
Lime-kilns
——, manufacture of
Limestone
701
-, aymestry
632
- ■, carboniferous -
631
■-, magnesian
639
-, mountain
630
-, primary -
633
-, scar - , -
631
Lines, perpendicular-
734
— , inclined -
735
-, variety of 734, 735,
736
Links of Gunter’schain - 846
Page
Liquids, level of - 1096
Lithium - 651
Llandello flags - 632
Loam, Windsor - 710
Locomotive engines 301.
1272. 1282Locks on canals 217. 222,223. 1537
- at Cherbourg - 225
-, bridges - - 1559
——, cast-iron - - 566
-, centres of im-pression 1115. 1540
- - , chambers of - 1537
-, dimensions of - 1540
■ ■, gates of 232. 247.
326. 328
- gates of iron - 1553
- on the Humber 327
-, scourer of sluice 1542
-, sections of - 1538
-, stop gates - 1557
-, talus to be
given to wallsof - - 1539
-, theory of - 1535
-to admit, several
boats - - 1537
', towing-paths - 1556
-, water enter - 1558
-, water ex-pended - 1539- •, Zendrini’s ac-count of - 187
Logarithms - - 860
London Bridge, con-tract for - - 455
Longitude - - 757
Looms for weaving - 969
Lorenzo, St., gate of 93Lorgna’s centres - 1395
-, Marco - - 206
Louchette - - 1057
Lough Swilly and
Foyle - 542
Loutron or cold bath 122Lubricating axles - 1023Lucrinus, lake of - 140
Lugdunum - - 180
Luna, town of - - 143
-, marble 99
Luxor obelisk at Paris 1016Lycia - 76, 77. 82
Machines used by the
Romans - 200