American whaler Gem towards the Pacific Ocean in 1845

The New Pictorial and Illustrated Family Magazine established for the diffusion of useful knowledge, 

vol. III. Robert Sears editor, New York 1846.

Homeport Sag Harbor, USA. Departed on 9 August 1845. Destination North Pacific. Tonnage 326 tons. Master James M. Worth. Owners&Agents Huntting Cooper.

Source

The Merchants’ Magazine and Commercial Review, volume 16, page 102. The information was supplied by Luther D. Cook of Sag Harbor