376 Proceedings of the Royal Society 
we could almost have seen the roof under which John Nepair 
elaborated his invention, and could fancy to have heard the creak- 
ing of the screw with which Andrew Hart imprinted the “ Canon 
Mirificus 
Number. 
Log. to 15 Places. 
To 10. 
Ylacq. 
Vega. 
20071 
90109 36054 
90109 
90110 
110 
20280 
79506 61298 
79507 
79506 
506 
20375 
76174 12014 
76174 
76175 
175 
20645 
48872 10721 
48872 
48873 
873 
20822 
24421 41256 
24421 
24422 
422 
20866 
92030 46050 
92030 
92031 
031 
21245 
67354 25533 
67354 
67355 
355 
21749 
92932 69231 
92933 
92932 
932 
21795 
68733 53703 
68734 
68735 
735 
21904 
34307 89915 
34308 
34309 
309 
22016 
84165 55417 
84166 
84167 
167 
22200 
29744 50639 
29745 
29744 
744 
22312 
85012 57993 
85013 
85012 
012 
22877 
90721 80887 
90722 
90721 
721 
22996 
22999 73937 
23000 
22999 
999 
23274 
10299 83700 
10300 
10299 
299 
23492 
99921 70919 
99922 
99923 
923 
23820 
17571 46759 
17571 
17572 
572 
24156 
50209 36279 
50209 
50210 
210 
24580 
18785 50435 
18786 
18785 
785 
25173 
49758 10852 
49758 
49759 
759 
25524 
87359 50354 
87360 ' 
87359 
359 
25586 
23955 50655 
23956 
23955 
955 
25707 
13975 50452 
13976 
13975 
975 
26004 
01573 67443 
01574 
01573 
573 
26407 
90654 45820 
90654 
90655 
655 
26517 
43886 18717 
43886 
43889* 
886 
26642 
68239 65258 
68240 
68239 
239 
26699 
49953 49034 
49953 
49954 
954 
26717 
76904 57995 
76905 
76904 
904 
26728 
64626 30075 
64626 
64646* 
646 
27291 
94494 30434 
94494 
94495 
495 
27560 
92132 35588 
92132 
92133 
133 
27586 
87318 72159 
87319 
87318 
318 
27861 
67002 67696 
67003 
67002 
002 
27921 
09686 32521 
09686 
09687 
687 
28486 
14699 52392 
14700 
14699 
699 
28680 
91469 95763 
91470 
91469 
469 
29226 
93799 55414 
93800 
93799 
799 
29446 
63077 50861 
63078 
63077 
077’ 
29639 
35467 49658 
35467 
35468 
468 
29703 
03152 31285 
03152 
03153 
153 
