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THE

ENGLISH MECHANIC

AND WORLD OF SCIENCE:

WITH WHICH ARE INCORPORATED

"The Mechanic," "Scientific Opinion,” and “The British and Foreign Mechanic;"

FORMING A RECORD OF

Engineering, Building, Inventions, Manufactures, Industrial Progress,
Astronomy, Electricity, Chemistry, Photography, Mining,

Biology, Microscopy, &c.

ILLUSTRATED WITH NUMEROUS PRACTICAL ENGRAVINGS.

VOLUME XII.

LONDON:

OFFICE, 31, TAVISTOCK STREET, COVENT GARDEN, W.C.

SOLD BY ALL BOOKSELLERS AND NEWSAGENTS IN THE KINGDOM.

1871.

Supplement to the English Mechanic," April 7, 1871.

[blocks in formation]

INDEX TO VOL XII., ENGLISH MECHANIC.

ILLUSTRATIONS.

of, 184

ACROLEPIS, mandible of, 397

Centre of gravity of semi-ellipse, 381 Ellipse : foci of, 140; isometrical, 160 Harmony, practical papers on, 604
Adding Inachine, 483, 540
Chain batteries, 38
Ellipses and ellipsographs, 60

Heads, lathe, 397
Aërosiatics, 448
Chains, coupling, 318
Ellipsograph, 43, 60

Heat, appliances for the measurement of,
Agriculture, geology in relation to, 316, Chuck: for lathe, 622; four-ja wed, 588 ;

437
Charcoal, 499
Elliptical: cutting-frame, 358; wheele, teeth

Heating apparatus, 44, 359; church, 192,
geometric, 166; oval, 160; useful, 180 Ellis's patent macp.ne for laying-out doors,
Air-pump, 284, 285

269: greenhouses, 161
Church, heating a, 192, 259

sashes, &c., 29
Alarum, 548

Heliorama, Trueg's, 53
Alcohol, separating, 430
Churn, atmospheric, 649

Engine: bogie, 66; e.ectro-magnetic, 190; Holder, tool, 328
Circle-squarers, our, 187

hydraulic bucketting, 80; model hori-
Ale, 357

Hollow candles, 42
Cistern, 286

zontal, 212; novel, 348
Alem bic, 391

Horizontal windmill, 516
Amphisaurus amblyodus, tooth of, 541

Olock: electric, 177, 273; how to make an Engineering, elements of, 434, 483, 508, 530, Horseradish, 373

S-day, 133: pallets, 477 ; Strasburg, 181 556, 578, 606
Anthropodontoides Bailesii, 427

How to make a good printing press, 273

England, the silver coins of, 57, 389 Huggins and Horgnaill's diamond mill-
Antiquity and formation of the world, 5, Clothes-washer and : ringer, 80
101
Clutch, the friction, 12
Enlarging camera, cheap, 621

stune dressing machine, 28
Apparatus: cheap gymnastic, 340; for hurn-
Coal-gas and air, apparatus for burning, Epicycloids, the, 380

Hydraulic bucketing engine, 80; ram, 176,
276

420
ing a mixture of coal-gas and atmo-

Equatorial stand: 237, 332; Levander's
Coal-measure reptiles or mammals: 224; improved universal, 336
spheric air, 276; heating, 44, 359; im-

Hydro-electric machine, 324
vertebræ of, 321
Escapement, half dead beat, 694

Hydrogen lamp, 453; oxygen burning in,
proved steering, 420; screw cutting, 328

595
Appliances for the measurement of in-Coal-measures, supposed mammal jaw
tense heat, 437
from, 497

FACE plate, cutting thread on screw of,

621
Coil: 5, 48; induction, 84; old medical, 143
Applying and controlling power, 166

ICE machine, 619
Coin, Asiatic, 23

Feed-cock for kitchen boiler, 564
Arithmetic for the blind, 429

Ichnology, carboniferous, 564
Arzaying, 424
Coins: brass, 23; gold, 120; silver, 23, 120; Feed-pipe, ruptured, 164

Iguanodon, tooth of the, 208
Astrono-meteorology, 616

silver, of England, the, 57, 389
Feeding poultry, 381

Illumination of binocular microscope, 544
Astronomical, 444
Commutator, 618
Figure, quadrilateral, 526

Impregnable block-house, an almost, 60
Astronomical notes, 247
Comparative solide, 71
File, new lathe, 445

Improved, the bicycle, 396
Coning of railway wheels, 510

Finder for telescopes, removable, 497
Atmospheric: bells, 451; churn, 519

Improvements in railway couplings, 440
Aurora, 476
Construction of the organ, 184, 204, 233, Finding slide for microscopes, 556

Index peg for division plate, 180
Autoniatic boiler feeder, 149

248, 280, 304
Fish, new genus of, 372

Indiarubber tires, fixing of, 476, 589
Cosinology, lunar, 108, 252, 930
Fishing lines, 92

Induction coil, 84
BALANCING cylinders, 162
Coupler, octave, 213
Fixing india-rubber tires, 476

Inexpensive lathe, 132, 516
"Flat" mounting, 565
Coupling chains, 348
Palls, casting, 120

Instruments, telegraph, 317
Couplings for railway carriages, 440 Flat vice, or "omnium holder," 568

Iron roofx, 84
Barometer, 108
Craters north of Posidonius, 516
Fluting and flat iron, 581

Isometrical: drawing, 66; ellipse, 160 ;
Bath, hot and cold water, 67
Ctenodus: 112 ; obtusus, 160
Foci of ellipse, 140

templates, 60
Batteries, chain, 348
Ctenoptychius obtusus, 469

Focus, 13
Battery: Daniell's, 165; electro-magnetic, Cure for smoky chimneys, 349

Formation and antiquity of the world, 5, JEWELLING, watch, 137
72, 510; improved Daniell, 304; Le-Curious: caterpillars, 102; occurrence, 166

101

Jupiter, 238
clanche, 228; manganese, 81, 180; new Cutting: screws by hand, 517; teeth of Fortifications, 104, 125, 151, 171, 196, 218

form of, 137, 204
Pellows for gas furnace, 91
wheels, 36, 113, 184, 204; thread on screw Four-jawed chuck, 588

KEYS for wheel-shafts, 344
of face plate, 621
Four points, 477, 526, 620

Kitchen boiler, feed cock for, 564
Fells: atmospheric, 451; electric, 596 Cutting-frame, elliptical, 358

Frames, picture, 284

Knife-cleaner, 477
Biegele: improved, 396; steering the, 321; Cylinders, balancing, 162

Friction, 390, 486

Knitting stockings, machine for, 413
treadles, 321

Friction clutch, the, 12

Knot-stitch sewing machine, 162
Binocular eyepiece, new form of, 612; DANIELL'S battery, 165: improved, Fulling mill, 622

Krupp's 1,000-pouuder sioge gun, 104
binocular microscope, 125; new form of,
612; Wenham's, 165
304; new arrangement of, 668

Fungi, 372
Definition of object-glasses, 439

Furnace: for melting brags, simple, 60; LAMP: 213; hydrogen, 453
Blankley's improved live-box, 437
Detector, low water, 420

Griffin's gas, 29

Lamplighter's stany, 215
Blind, arithmetic for the, 429
Block-house, an almost impregnable, 60
Diagonal plane, mounting, 492

Land: question, 45, 68, 139, 163; survering.
Differential calculus, 481

GAS: carburetter, 352, 424; from paraf- 26, 51
Flowpipe: 149; for lead burning, 211
Dissolving-view painting, practical instruc- fine, 564; improving, 108

Lantern, magic, 286
Pat: carriage, 526, 641; velocipede, 69 tions in the art of, 194, 338, 555

Gas furnace : 208; bellows for, 91; Grisin's Lathe: 445, 454 ; an inexpensive, 182, 516 ;
Pagie engines, 66
Distilling water, 197

29

chucks for, 622; conversion, 256; divind
Biler: grease cup and, 469; sectional Dividing apparatus attached to lathe, 277 Gas-joint, universal swivel, 41

ing apparatus, 277; file, new, 445: heaily,
safety, 536; tubeing locomotive, 358 Division plate, index peg for, 180

Gas-pressure gauge, 20

397; planing head for, 373; queries, 141,
Puiler-feeder, automatic, 149
Domestic organ, 137
Gasketing, square, 621

260; tools, 622; Whitworth, 613
Liler priming, 129, 130, 324
Doubtful scapulæ, 353
Gassendi, 129, 225

Launchi, steam-serew, 321
Piler valve, 500
Bilers, size and strength of, 571
Drain-pipe, 492

Grauge, gus pressure, 20; rocording steam, Laying-out doors, suchen, &c., Ellis's patent
Drawing: instrument, Midelton's, 560;

machine for, 29
Booth relocipede, 273, 382
Bw.cleaning machine, 597

isometrical, 66; templates, isometrical, 60 Geology in relation to agriculture, 316, Lenil-burning, blowpipe for, 211
Drill, vertical, 91, 309, 445, 519

Leclanche's battery, 228
Brittoming tubs and pails, 571
Drilling machine, 595
Geometric chuck, tlic, 156

Lenses, properties and powers of, 121
Boult's moulding, carving, and panelling

Geometrical problem, 60, 85

Levander's universal equatorial stand, :36
machine, 325
Prass, riiple furnace for melting, 60
EARTH, how to make a sun-view of Geometry, 70

Lifting pump, 115
the, 73

Glass burning, 498
Prrech-loading rifles, 127

Light, zodiacal, 273
Brewer's question, 358
Earth's rotation, cause of the, 106
Globe, cardboard, 21?

Lighting hy petroleum, 365
Brick-making machine, improved, 66
Escaleobion, or egg-hatching machine, 572 Globes, readings from the, 13, 225

Lime-light, 215, 259
Burketting-engine, hydraulic, 80
Eclipse, the, 493

Goniometer, a cheap, simple, and good, Linné, 613

205
Eclipses and occultations, graphical pre-
Burning, glass, 498

Live-box, Blankley's improved, 437
diction of, 493

Graphical prediction of eclipses, 493 Locomotive boiler, tubeing, 038
CABINET, 238, 260, 284
Egg-hatcher, regulator for, 259
Grease-cup and boiler priming, 469

Locomotives, improved sand box for, 469
Egg-shaped sewers, 376
Greenhouse steppers, 404

Low-water detector, 420
Cum: 192, 237 ; for barrel bobbin, 589 Elbows: patterns for, 526; pipe, improved, Greenhouses, heating, with gas, 161 Lunar cosmology, 108, 252, 330
Camera: cheap enlargiug, 621; stand,

607
Grillin's gas furnace, 29

Lunar crater Gassendi, 226
walking-stick, 620
Electric: bells, 696; clock, 177, 273

Grinding : plate for electrical machine,
Campanus, 540
Electrical, 383, 429

161; wheel, patent composition, 324 MACHINE: adding. 45A, 540; boot-
Candles, hollow, 42

Electrical machine, grinding plato for, 160 Guo, Krupp's 1,000-pounder siege, 104 cleaning, 597; Boult's moulding, carving,
Carboniferous ichnology, 561
Electricity, its theory. sources, and appli- Gymnastic apparatus, cheup, 349

and panelling, 325; drilling, 595; for
(arburetter, gas, 352, 424
cation, 1, 76, 290, 4:45

kuitting stockingy, 413; for laying-out
Caniboard globe, 213
Electro-magnet, wiuiling, 431
HALF dead-beat escapement, 591

doors, sashes, &e., 29; hydro-electric,
(erriage: boat, 526; sgil or boat, 141
Carriage wheels, loose-running, 84
Electro-magnetic: battery, 72, 910; engine, Hamburg, purifying water in, 318

324; ice, 619; improved brick-making,
190
Handrailing 451

56; screw-blank, 392; shaping, 252; silk-
Casements, 525
Electrotyping, 28+

Harinonium: a practical treatise on the
Catch-bore, 116

vinding, 308; amall milling, 18;: sugar
Elements of engineering, 434, 482, 508, 530, 4. 76; and organ coñhined. 219: con- cutting and chopping, 2:36
Caterpillary curious, 102
55ti, 578, GOG

struction, 197; parole, 17

Magie lantern, "NE;

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