Beater, [165]

Bell for storing gases, [222]

Bellows, [148], [149]

Belts, [136], [137], [141], [186], [215]

Bituminous coal, [219]

Blau gas, [223]

Bobbin, [187], [188], [189]

Boiler, [64], [69], [71], [73], [132], [133], [156]

Booster, [119]

Bracket, curtain, [185]