velop, 157.

Developer, 172.

Dextrine, 169.

Diameter, 52, 126, 140, 143, 144, 148, 149, 150.

Diameter, inside, 122.

Diameter, outside, 122.

Diameter, pitch, 122.

Diametral pitch, 123, 124.

Diamond, 81, 149.

Diaphragm, 90, 153, 154.

Disinfectant, 163.

Disks, 49, 50, 67, 71, 74, 75, 82, 91, 95, 96, 105.

Disk shears, 90, 153, 154.

Distilled, 144, 151.

Diverge, 91.

Divided, 192.

Dividers, 45, 52, 62, 63.

Dogs, 77.

Dollar, 144.

Drams, 180.

Drawing, 95, 97, 101, 108, 109, 129, 191.

Drill, 30, 31.

Drilling Machine, 43.

Driver, 73.

Dry measure, 182.

Ductility, 80, 81.

Dynamite, 167.

Dynamo, 155.

E

Eccentric, 78.

Echo, 89.

Effervesce, 119.

Elastic, 91.

Elasticity, 87, 112.

Electrical, 82, 153, 154, 155.

Electric current, 182.

Electric curves, 182.

Electricity, 78, 84, 93.

Electrolytic, 149.

Electro-motive force, 154.

Ellipse, 72, 104, 105, 106, 107.

Emery, 27, 36, 150, 165, 166, 167.

Emery cloth, 55.

Emery wheel, 22.

Energy, 140.

Engine, 45, 78, 134.

Equalization, 82.

Escapement, 72.

Ether, 91, 169.

Expansion, 93.

Explosions, 156, 167.

F

Facet, 52.

Fahrenheit, 148, 186.

Feed, longitudinal, 66.

Feed, transverse, 66.

Ferric chloride, 166.

Filament, 160.

File, cross, 57.

File, cutter, 56.

File, do-able end, 57, 58.

File, equalizing, 57.

File, float cut, 57.

File, half round, 56.

File, holding, 59.

File, middle, 57.

File, movement, 59, 80.

File, pinion, 56.

File, rasp cut, 57.

File, rat-tail, 56.

File, rough, 57.

File, round, 56.

File, saw, 56.

File, second cut, 57.

File, shearing cut, 59.

File, slitting, 57.

File, smooth, 57.

File, square, 56.

File, triangular, 56.

Files, 36, 48, 50, 52, 53, 56, 59, 60, 114, 167, 168.

Files, Hexagon, 51, 52.

Filing, 52, 53, 54, 55, 56, 61.

Filter paper, 171.

Fire clay, 164, 165.

Fish oil, 171,176.

Fire proof, 168, 171.

Flexure, 79.

Floor dressing, 168.

Fluid, 165.

Fluor spar, 116.

Fluxes, 115, 116, 118, 176.

Focal, 106, 107.

Focus, foci, 105.

Foot, 145.

Foot lathe, 78.

Foot pounds, 139, 140, 143, 181.

Force, 156, 157.

Forge work, 116.

Forges, 164.

Formic acid, 168.

Formula, 162.

Freezing mixtures, 185.

Friction, 70, 171.

Fuel, 134, 181.

Fulcrum, 76, 128, 129.

Fulminate, 167.

Furlong, 181.

Furniture, 164.

Fusible,