OCR Text |
Show Easy Way of Measuring Heights. An) body who knows how to tnko fho nltitudo of tho sun or n star with n rox-tnnt, rox-tnnt, nnd wishes to tnko that of any distant hill, steoplo, or tho lllio. should put a ton-tray on tho ground, fill it with wntor, and than retire from It until un-til tho top of the hill, steeple, or what not is rollectod in the liquid. Now take tho soxtnnt, nnd make tho lmae of tho summit rnlncido with Its reflection reflec-tion In tho liquid. Tho angle of olevn-tlnn olevn-tlnn .'111 thus, obviously, have been monsured double. Hnlf of this will givo tho monsuromont required. |