- Lead, [60], [118], [163], [164],175.
- Leather, [162], [163].
- Level, [87].
- Lever, [73], [75], [76], [128], [129], [130], [131], [132], [133], [140], [153].
- Leverage, [143].
- Licenses, [189].
- Light, [100].
- Lime, [173].
- Linear measure, [181].
- Lines, [95], [99], [110].
- Lines, section, [84].
- Linseed, [162].
- Linseed oil, [149], [174],175.
- Liquid measure, [182].
- Liquids, [84].
- Litharge, [163].
- Long measure, [181].
- Lubricant, [171].
- Luminous, [91].
- Lycopodium, [169].
- Machine, [26].
- Magnesium, [166].
- Magnesium sulphate, [169].
- Magnet, [153].
- Magnetism, [93].
- Major axis, [105].
- Malleability, [81].
- Malleable, [112].
- Mandrel, [66], [76].
- Manganese, [163].
- Marble, [162].
- Mass, [85].
| Mastic, [169]. Measure, [139], [140], [143], [151]. Measure, liquid, [182]. Measure, long, [181]. Measurement, [145]. Measure, paper, [182]. Measure, solid, [82]. Measure, square, [181]. Membrane, [90]. Mercuric chloride, [166]. Mercury, [94], [114], [183]. Meridian, [145]. Metric, [144], [145], [146]. Metrical, [145]. Micron, [146]. Microscope, [91]. Millimeter, [146]. Milling machine, [26]. Minor, [164]. Minor axis, [105], [106]. Miter, [146]. Miter gear, [123], [124], [125], [126]. Molecular, [82], [117]. Molecular forces, [82]. Molecules, [83], [84], [146]. Momentum, [83], [85]. Motion, [84], [156]. Motor, [136], [155]. N Neat's Foot oil, [168]. Neroli, [168]. Nickel, [164]. Nitrate of copper, [174]. | Nitrate of potash, [167]. Nitrate of silver, [174]. Nitric acid, [162], [168], [169], [171], [173]. Nitro-glycerine, [167], [185]. O Oath, [193]. Octave, [159]. Odophone, [159]. Odor, [159]. Oil, [83], [87], [167], [171]. Oil eradicator, [166]. Oleonaptha, [171]. Oscillations, [90], [157]. Ounce, [180]. Outlines, [99]. Oxalic acid, [172]. Oxidation, [117]. Oxide, [117], [163]. Oxidizing, [116]. Oxygen, [83], [119]. P Palm oil, [171]. Paper, [168], [171]. Paraffine, [168], [171]. Parallel, [91], [100], [121]. Paris blue, [172]. Paste, [163], [173]. Patents, [188], [189], [190], [192], [194]. Pawl, [73], [76]. Pendulum, [73]. Parting tools, [28]. Perimeter, [73]. |
- Mastic, [169].
- Measure, [139], [140], [143], [151].
- Measure, liquid, [182].
- Measure, long, [181].
- Measurement, [145].
- Measure, paper, [182].
- Measure, solid, [82].
- Measure, square, [181].
- Membrane, [90].
- Mercuric chloride, [166].
- Mercury, [94], [114], [183].
- Meridian, [145].
- Metric, [144], [145], [146].
- Metrical, [145].
- Micron, [146].
- Microscope, [91].
- Millimeter, [146].
- Milling machine, [26].
- Minor, [164].
- Minor axis, [105], [106].
- Miter, [146].
- Miter gear, [123], [124], [125], [126].
- Molecular, [82], [117].
- Molecular forces, [82].
- Molecules, [83], [84], [146].
- Momentum, [83], [85].
- Motion, [84], [156].
- Motor, [136], [155].
- Nitrate of potash, [167].
- Nitrate of silver, [174].
- Nitric acid, [162], [168], [169], [171], [173].
- Nitro-glycerine, [167], [185].
- Oath, [193].
- Octave, [159].
- Odophone, [159].
- Odor, [159].
- Oil, [83], [87], [167], [171].
- Oil eradicator, [166].
- Oleonaptha, [171].
- Oscillations, [90], [157].
- Ounce, [180].
- Outlines, [99].
- Oxalic acid, [172].
- Oxidation, [117].
- Oxide, [117], [163].
- Oxidizing, [116].
- Oxygen, [83], [119].