Tables Of Calculated Hour-angles And Altitude Azimuth Table 30n. To 30s. - Ex-meridian Tables 60n. To 60s. And Calculated Reductions Ans Azimuths Of Bright Stars From 1 Hour To 3 Hours From Meridian C By H.s. Blackburne paperback
Tables Of Calculated Hour-angles And Altitude Azimuth Table 30n. To 30s. - Ex-meridian Tables 60n. To 60s. And Calculated Reductions Ans Azimuths Of Bright Stars From 1 Hour To 3 Hours From Meridian C By H.s. Blackburne paperback
Tables Of Calculated Hour-Angles And Altitude Azimuth Table 30N. To 30S. - Ex-Meridian Tables 60N. To 60S. And Calculated Reductions Ans Azimuths Of Bright Stars From 1 Hour To 3 Hours From Meridian / C By H.S. Blackburne (Paperback) more details
Tables Of Calculated Hour-Angles And Altitude Azimuth Table 30N. To 30S. - Ex-Meridian Tables 60N. To 60S. And Calculated Reductions Ans Azimuths Of Bright Stars From 1 Hour To 3 Hours From Meridian / C By H.S. Blackburne (Paperback)