Compressed-air pump, [113], [115], [117]

Combustion, [16], [17], [23], [24], [58], [66], [74], [76], [77]

Conductivity of materials, [156], [157], [158]

Contraction of materials, [235]

Cookers, [50], [51], [55], [56]

Coolers, [105], [106], [108], [109]

Copper, [158], [216], [236]

Crank, [163]

Cream separator, [178], [179]

Cubic measure, [229]