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

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

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

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

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

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 a line of steamship officers standing along a railing surveying the horizon with sextants.

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 the mast of the S.S. Montello.

Black and white photograph of the foremast of the Steamer Montello. Three people are visible painting the mast.

Black and white photograph of seven people on the Steamer Montello. One man is standing on the upper walkway. Four men are standing on the lower walkway with one man standing at a window. One woman is visible in the window and another woman is…

Black and white lantern slide of a man reading the compass bearing on the deck of the S.S. Montello.