Gwilt’s Encyclopædia 39·3707904 “ Gillespie 39·3707904 “ Capt. Kater 39·3708 “ Appleton’s Encyclopædia 39·37079 “ Van Nostrand 39·3708 “ D’Aubuisson 39·3708 “ Johnson (draftsman) 39·3708 “ Encyclopædia Americana 39·371 “ Jameson’s Dictionary 39·371 “ Herbert’s Encyclopædia 39·371 “ Popular “ 39·371 “ Molesworth 39·371 “ Dr. Young (1802) 39·371 “ Wallace (engineer) 39·371 “ Nystrom 39·38091 “ Hencke 39·3809172 “ Act of Canadian Parliament, 1873 39·3819 “ Paris Academy 39·3824 “ LENGTH OF THE SECONDS PENDULUM AS GIVEN BY DIFFERENT WRITERS. NEW YORK.--Hencke 39·1012 inches. Bartlet 39·11256 “ Nystrom 39·1017 “ Ganot 39·1012 “ Byrne 39·10153 “ Wallace 39·10153 “ LONDON.--Hencke 39·13908 “ Gillespie 39·13929 “ Chambers’ Encyclopædia 39·13929 “ Williams’ Geodesy 39·13929 “ Act of Parliament, 1823 39·13929 “ Wallace (engineer) 39·1393 “ Chambers’ Mathematics 39·1393 “ Hymer Astronomy 39·13734 “ Bartlet 39·13908 “ Vose 39·1393 “ Sommerville 39·1393 “ Nystrom 39·1393 “ Davies and Peck 39·13908 “ Ganot 39·1398 “ Wollaston (1814) 39·13047 “ Galbraith 39·139 “ Byrne 39·1393 “ Capt. Kater 39·13829 “ PARIS.--Hencke 39·12843 “ Ganot 39·1285 “ Galbraith 39·128 “ Byrne 39·12843 “ Wallace 39·12843 “ APPENDIX.