Errata

page iv: 'krefft'->'Krefft'


page 7: 'ememy'->'enemy'


page 7: 'destory'->'destroy'


page 8: 'whirpool'->'whirlpool'


page 10: 'aud'->'and'


page 14: 'rcommended'->'recommended'


page 24: 'aginst'->'against'


page 34: 'throuh'->'through'


page 42: 'spead'->'speed'


page 42: 'envolopes'->'envelopes'


page 43: 'the the'->'the'


page 54: 'smoke-abosrbing'->'smoke-absorbing'


page 54: 'descovering'->'discovering'


page 60: 'quanties'->'quantities'


page 64: 'begining'->'beginning'


page 68: ','->'.'


page 85: 'horripulation'->'horripilation'


page 85: 'celebacy'->'celibacy'


page 96: 'descibed'->'described'


page 99: 'nothern'->'northern'


page 102: 'weeled'->'wheeled'


page 123: 'clectric'->'electric'