1090|1.379|1.346|1.314|1.284|1.256|1.228|1.202|1.176|1.153|1.130|1.107|1.086|1.065 ====+=====+=====+=====+=====+=====+=====+=====+=====+=====+=====+=====+=====+===== TABLE IV.——FOR REDUCING OBSERVATIONS OF THE BAROMETER TO SEA LEVEL.——_Continued._ ==========+======================================================================= Height, in| Temperature of external air——degrees Fahrenheit. feet. | +-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+----- | -20°| -10°| 0° | 10°| 20°| 30°| 40°| 50°| 60°| 70°| 80°| 90°| 100° ----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+----- 1100|1.391|1.358|1.326|1.296|1.267|1.239|1.213|1.187|1.163|1.140|1.117|1.096|1.075 1110|1.403|1.370|1.338|1.307|1.278|1.250|1.224|1.198|1.173|1.150|1.127|1.106|1.085 1120|1.416|1.382|1.350|1.319|1.289|1.261|1.235|1.208|1.184|1.160|1.137|1.115|1.094 1130|1.428|1.394|1.361|1.330|1.301|1.272|1.245|1.219|1.194|1.170|1.147|1.125|1.104 1140|1.440|1.406|1.373|1.342|1.312|1.283|1.256|1.229|1.204|1.180|1.157|1.135|1.113 | | | | | | | | | | | | | 1150|1.453|1.418|1.385|1.353|1.323|1.294|1.267|1.240|1.215|1.191|1.167|1.145|1.123 1160|1.465|1.430|1.397|1.365|1.334|1.305|1.278|1.251|1.225|1.201|1.177|1.154|1.133 1170|1.477|1.442|1.409|1.376|1.345|1.315|1.289|1.261|1.235|1.211|1.187|1.164|1.142 1180|1.489|1.454|1.420|1.388|1.357|1.327|1.299|1.272|1.245|1.221|1.197|1.174|1.152 1190|1.502|1.466|1.432|1.399|1.368|1.338|1.310|1.282|1.256|1.231|1.207|1.183|1.161 | | | | | | | | | | | | | 1200|1.514|1.478|1.444|1.411|1.379|1.349|1.321|1.293|1.266|1.241|1.217|1.193|1.171 1210|1.526|1.490|1.456|1.422|1.390|1.360|1.332|1.303|1.276|1.251|1.227|1.203|1.180 1220|1.539|1.502|1.467|1.434|1.401|1.371|1.342|1.314|1.288|1.261|1.237|1.212|1.190 1230|1.551|1.514|1.479|1.445|1.413|1.382|1.353|1.324|1.297|1.271|1.247|1.222|1.199 1240|1.563|1.526|1.491|1.457|1.424|1.393|1.364|1.335|1.307|1.281|1.257|1.232|1.209 | | | | | | | | | | | | | 1250|1.576|1.538|1.502|1.468|1.435|1.404|1.374|1.345|1.317|1.291|1.266|1.242|1.218 1260|1.588|1.550|1.514|1.479|1.446|1.415|1.385|1.356|1.328|1.302|1.276|1.251|1.228 1270|1.600|1.562|1.526|1.491|1.457|1.426|1.396|1.366|1.338|1.312|1.286|1.261|1.237 1280|1.612|1.574|1.538|1.502|1.469|1.437|1.407|1.377|1.348|1.322|1.296|1.271|1.247 1290|1.625|1.586|1.549|1.514|1.480|1.448|1.417|1.387|1.359|1.332|1.306|1.280|1.256 | | | | | | | | | | | | | 1300|1.637|1.598|1.561|1.525|1.491|1.459|1.428|1.398|1.369|1.342|1.316|1.290|1.266 1310|1.649|1.610|1.573|1.536|1.502|1.470|1.439|1.408|1.379|1.352|1.326|1.300|1.275 1320|1.661|1.622|1.584|1.548|1.513|1.481|1.449|1.419|1.390|1.362|1.336|1.309|1.285