. . . . . . . . . . . "Nathaniel Brassey Halhed" . . . . . . . "Nathaniel Brassey Halhed" . "1830-02-18" . "Halhed" . . . . "1751" . . . . "1830" . "N.B. Halhed" . . . . . . . "1751-05-25" . . "N. B. Halhed's" . "N. B. Halhed" . .