Black and white lantern slide of the mast of the S.S. Montello.

Black and white photograph of five men sitting and eating at a table in the officers mess of the Steamer Montello.

Black and white lantern slide of a line of steamship officers standing along a railing surveying the horizon with sextants.

Black and white photograph of four officers standing on a railed walkway. Three of the four men are observing the latitude of the ship.

Black and white lantern slide of the smokestack on the S.S. Montello.

Black and white photograph of four men painting the stack of the Steamer Montello.

Black and white photograph of the Steamer Montello taken from the foredeck.

Black and white photograph of the Steamer Montello from the stern of the ship.

Black and white photograph of a Robert H. Merrill reading the bearing of pigeon flight toward Cape Trafalgar.