MECHANICS.] 



INDEX TO VOL. I. 



1241 



FABRICS, textile, machinery, 783. 



Face-coupling for shafts, 883. 



Falling bodies, their velocity, 833. 



Fan for producing air-blast, 879. 



Fan, revolving, to regulate the striking of 



a clock, 839. 

 Fanners, 783. 



Farming machinery, steam, 880. 

 "Feather," a key for coupling shafts, 



883. 



Feathering paddle, 881. 

 Feed-pump, how put in motion, 858. 

 Feed-pump of a boiler described, 858. 

 Fibre in bodies, what is, 796. 

 Fibres (tearing asunder) in beams, 803. 

 Fibres, their tension and compression in 



beams, 803. 



Field operations by steam, 880. 

 Fir, data for calculating the strength, 



797. 



Fire-engine described, 774. 

 Fire-grate in a steam-engine, 848. 

 Flange to strengthen beams, 808. 

 Flanges to strengthen rails, SUB. 

 Flatting iron, 880. 

 Flaws in cast-iron, 808. 

 Flax, machinery for preparing, 783. 

 Float-board, water- pressure on a, 826. 

 Float for ascertaining the water-level in 



boilers, 852. 



Floating body in equilibrium, 758. 

 Floating equilibrium, 759. 

 Floats, their velocity should not exceed 



cm liird that of the stream, 827. 

 Flood- tates, to find the pressure sustained 



by, 752. 



Flour, machinery for preparing, 783. 

 Flue-surface in a steam-engine, 848. 

 Flue-surface in a steam-engine, rules as 



to size, 848. 

 Fluid discharge, computation of, 763, el 



tq. 

 Fluid, how to ascertain the specific gravity 



of any, 756. 



Fluid pressures, 748, el teg. 

 Fluid, rotating, its equilibrium, 761. 

 Fluids communicating through bent 



tube*, 760. 



Fluids discharged from vessels kept con- 

 stantly full, 764. 



Fluids, elastic or compressible, 768. 

 Fluids, machinery for moving, 783. 

 Fluids, resistance of, 766. 

 Fluids, spouting, 763. 

 Fluids, their elasticity and pressure, 752, 



843. 

 Fluids, their velocity through orifices, 



764. 

 Fluids, velocity with which they flow 



from an orifice, 826. 

 Fluids which do not intermix, their 



equilibrium in tubes, 761. 

 Fly-wheel in a steam-engine, its action 



and uses, 814, 859, 880. 

 Foot measure, 692. 

 Force (See also Power). 

 Force can be created or annihilated by no 



machinery, 859. 

 Force, centrifugal, 740. 

 Force, its transmission, 689. 

 Force, its unit, 691. 

 Force, living, 746. 

 Force of gravity (See Gravity). 

 Force, tangential, 741. 

 Force, the object of dynamical mechanics, 



779. 



Force, the sources of, 7" 1 

 Forces, accelerating, 734. 

 Forces are subject to continual variations, 



781. 



Forrei, moment of, 701. 

 Forces, moving, 742. 

 Forces, parallel, their centre, 711. 

 Forces, parallelogram, &c , of, 696. 

 Forces, polygon of, 696. 



VOL. I. 



Forces, problems on, 696. 

 Forces, resolution of, 696. 

 Forces, their geometrical representation, 



693. 



Forces, triangle of, 696. 

 Forcing-pump, 774. 

 Forging machinery, 783. 

 Fork-end in the connecting-rod, 860. 

 Fountains, ornamental, hydraulic ram 



applicable to, 837. 

 Fourneyron's turbine, 835. 

 Fracture of beams, 803, ft seq. 

 Freestone, crushing force, 802. 

 Friction, 781. 

 Friction a very irregular resistance in 



machinery, 839. 

 Friction-breaks, 899. 

 Friction-clutch, 884, 896. 

 Friction, co-efficient of, 901. 

 Friction-couplings, 881, 899. 

 Friction employed as a useful resistance, 



782. 



Friction employed to stop motion, 899. 

 Friction losses in steam-engines, 868. 

 Friction of a coil of rope, 903. 

 Friction of metals upon each other, 902. 

 Friction on shafts and pulleys, 903. 

 Friction stays, 899. 

 Friction, table of, 902. 

 Froude's apparatus for regulating rotation, 



839. 

 Froude's apparatus for spring-power, 



839. 

 Fuel, consumption in steam-engines, 818, 



852. 

 Fuel, lib. can convert lOlbs. of water 



into steam, 8.~>2. 

 Fulcrum, 701, 719, ft seq. 

 Full-size drawings, their object, 795. 

 Fulling-mills, methods for moving, 895. 

 Furlong, 692. 



Furnace of a steam-boiler, 851. 

 Furnaces for smelting, the production of 



air-blast, 879. 



Fusee to receive the coils of a watch- 

 spring, 839. 



GALE, velocity and pressure of a, 820. 



Garisenda, the tower at Bologna, 714. 



Gas, its elasticity proportioned to its den- 

 sity, 844. 



Gases, elastic fluids, 748. 



Gauge-cocks for ascertaining the water- 

 level in boilers, 852. 



Gear (striking), its use, 887. 



Gearing, bevel, 891. 



Gearing, elliptical, 898. 



Gearing for the lathe, 897. 



Gearing, its action, 887. 



Gearing, square, 899. 



Gib. heads, keys for coupling shafts, 883. 



Girders, best form of section, 805. 



Girders, cast-iron, usual section, 808. 



Girders formed of plates, 808. 



Girders, strength calculated, 805. 



Girth, the circumference of cable, 796. 



Glass attracts water, 762. 



Glass gauge for ascertaining the water- 

 level in boilers, 852. 



Glass, machinery for preparing, 783. 



Glass the most elastic substance, 745. 



Governor for regulating the speed of clock- 

 work, 838. 



Governor, steam-engine, 862. 



Governor to regulate the velocity of 

 windmills. 82 i. 824. 



Grain weight, 691. 



Gramme, a standard weight, 692. 



Gramme, French, 692, 747. 



Granite, crushing force, 802. 



Granite, table of friction, 902. 



Gravitation employed for giving motion, 

 838. 



Gravities of two liquids compared, 757. 



Gravity a constant power, 780. 



Gravity at Spitzbergen, 747 . 



Gravity at the equator, 747. 



Gravity, centre of, 710 717. 



Gravity in the latitude of London and 



Paris, 747. 

 Gravity opposed by capillary attraction, 



762. 



Gravity, specific, 755, et seq. 

 Gravity, specific, affected by temperature, 



758. 

 Gravity, specific, balance for ascertaining, 



756. 



Gravity, specific, examples, 758. 

 Gravity, specific, of a compound, 755. 

 Gravity, specific, of a solid found by 



Nicholson's hydrometer, 757. 

 Gravity, specific, of fluids, 757. 

 Grindstone grit, crushing pressure, 802. 

 Gudgeon, the axis of a pulley, 729. 

 Gun, its strength, 799. 

 Gun-metal, table of torsive strength, 



814. 



Gun-metal used for shaft bearings, 859. 

 Gun-metal used to diminish friction, 859. 

 Gutta-percha employed for straps, 887. 

 Gutta-percha, machinery for preparing, 



783. 

 Gwynne's centrifugal pump, 879. 



HAMMER, the steam, 877. 

 Hammers (tilt) (See Tilt-hammers). 

 Hand. cart, power of man in dragging a, 



819. 



Hardness of bodies, 800. 

 Hatching or section-lining, 790. 

 Hawksbee's air-pump, 776. 

 Heat a source of power, 781. 812, el trq. 

 Heat expands liquids, 812. 

 Heat, latent, 872. 



Heat lost by air through rarefaction, 771. 

 Heating surface in a steam-boiler, 849. 

 Heavenly bodies, their apparent rest or 



motion, 690. 

 Hempen bower-cables, experiments on 



their strength, 797. 

 Hempen ropes, rules for computing the 



strength of, 800. 

 Hexagon, how to draw it, 794. 

 Hexagonal prism-drawing, 787. 

 Hiero, King of Syracuse, proposes a prob- 

 lem to Archimedes, 755. 

 Hoilgkinson's experiments for measuring 



elasticity, 746. 



Hollow key for coupling shafts, 883. 

 Horology, 782. 



Horse, average power of a, 819. 

 Horse, the, as a moving force, 818. 

 Horse-power, as a standard, 819. 

 Horses in motion, 715. 

 Human body, centre of gravity, 714. 

 Human power, its various exertions, 818. 

 Hurricanes, velocity and pressure of, 820 

 Hydraulic lift and crane, 8 10. 

 Hydraulic presses, effects of internal 



pressure, 799. 



Hydraulic ram for raising water, 836. 

 Hydrodynamics, TliS. 

 Hydrometer for measuring the gravities 



of solids and fluids, 757. 

 Hydrometer, the instrument used to test 



spirits, 757. 



Hydrostatic bellows, 749. 

 Hydrostatic paradox, 749. 

 Hydrostatic press, Bramah's, 750, 768. 

 Hydrostatics, 748. 

 Hyperbola, a curve exhibiting the varia. 



tion of steam-pressure, 846. 

 Hyperbola, the surface of a fluid under 



capillary attraction, 762. 

 Hyperbolic curve, the outline of the fusee, 



839. 



ICE-MAKING machine, 777. 



Ice, steel, &c., table of friction of, 902. 



Impact, of bodies, 745. 



7l 



