The Mariners widely used ________ to measure time during the 19th Century.
Chronometer
Mariners in the 19th century widely used the marine chronometer, a precise timekeeping instrument, to determine longitude accurately while navigating the seas. It was essential for safe and accurate ocean navigation before satellite-based systems existed.
| List-I (Publications) | List-II (Editors) |
| (A) Bengal Gazette | (I) James Augustus Hicky |
| (B) Mirat-ul-Akhbar | (II) Raja Ram Mohan Roy |
| (C) Rast Goftar | (III) Dadabhai Naoroji |
| (D) Young India | (IV) M. K. Gandhi |