ANNUAL ADDRESS OF THE PRESIDENT. LXIxX 
Column D.—Comparisons by Capt. Kater. Phil. Trans., 1830, 
p. 377, and 1831, p. 347. 
Column E.—Comparisons by Francis Baily, Esq. Mem. Roy. 
Ast. Soc., Vol. 9, p. 145. 
-Column F.—Comporisons by Francis Baily, Esq. Mem. Roy. 
Ast. Soc., Vol. 9, p. 120. 
Column G.—Values adopted by R. Sheepshanks, Esq. Phil. - 
Trans., 1857, p. 661. 
The values used by Mr. Sheepshanks in 1848 to determine the 
length of the present Imperial standard yard were Nos. 14 D, 15 F, 
16 and 17 G, and 18 D. 
It will be observed that several different units are employed in 
the various columns of the table, and care must be taken to allow 
for that circumstance when comparing numbers not situated in the 
same column. 
Comparisons of the Fundamental English Standards of Length. 
oo on B. c. D. E. F. G. 
No. 
Inches. Inches. Inches. Inches. Inches. Inches. Inches. 
Dicaaas 35°9929 35°966 
beers 36°0000 35°993 
= haere 36'0102 
4...... 45°0494 44.964 
Beavaes 35°9790 
acres 36°0111 
vhayres 86°0075 36°0013 SGO:002007, \alsancocvnnsancssede 36°001473 
Sovak 36°0000 SOD diel [baasasvicnascieses|casncsvavedasscnns 35993684 
Dessute 38°355 38°3561 
ELDe gues | cadukuseeceseveces 36°00023 | 36°000802 
iE acetal caacyetle |ccieweses|cvccnseacenonaee 36.000659 367000000 35°999624 36°000000 36.060000 
Peeent ola scavensencelssske|acecarecsnasspaace 36°001537 
Dore cas|acussustuesvcescse|\sussctantocdwcnen 36°003147 
Dae ccct|-peoneselenetpescs|cesaseveapcatbens« 36°000642 36°00009 36000185 
tera celieesadsccssucasecs oO OUU IN feasicredicnceessus| sete vcacssceunres 35°999921 36°000058 
Pi Gyecadeal seeeatvets rettacks| sxccaviassearsnseat|bacdzancnsrescvasn|Shedaccraviccnesds|accuctarscoscccwes|caseua sueetacruce 35°999716 
Dilisvansal sevaatecensesdesds|yseccvsvncceccvusve|suscud hocsececooss Hediesstivenesisantue| aebacedesteaccoewa| saateneamas conse 35°999892 
