A

Absorption of heat and light, [84], [85], [108]

Acetylene, [30], [49], [81], [91], [92], [145], [221], [222], [223]

Acids, [155], [156], [157], [159], [216]

Acre, [229]

Adjustment of burners, stove, [24], [29], [30], [32], [34], [41], [49], [78], [79], [80]

Air, for circulation, [57], [76], [101], [102], [103], [111], [198]

dead or stagnant, [63], [102]

for combustion, [16], [29], [31], [38], [39], [48], [66], [88], [93], [214]

for evaporation, [105], [176], [220], [221]