ON THE TlBESo 
CS 
( Ctr/ufaZwiy 
First approximation, Phil. Hans. 1833. 
The Lints drawn thus^^e" mark die Tu/yarRttnhlijhment or J four of Jfu/h Water at Stfii/yy III. IVVA-. 
Second approximation, Sixth series o£ Researches. Phil.5rtnis.l83(i. 
The T.inr.c /hn.r mark the (brrect Establishment or Mean Ziuiitidal Interval L23A-C 
thus^e* Tfalgar Establishment orl/onr ofT/ts/h Water at Steffi/ LDJILir. 
The Honrs natal on the coast ( asYtiSs ) refer to MiZubborf-sTieper. ThitJVnnsj83i 
