Marine Exchange Outlook hailing a passing ship, 1924

Photograph of a Marine Exchange Outlook hailing a passing ship, 1924. A man on the right leans out of the Marine Exchange window and is yelling through a megaphone. A banner above his head reads "Marine Exchange" while the ocean glistens in the light below.1924年拍摄的一张记录海事交易所瞭望岗（Marine Exchange Outlook）招呼过往船只的照片。画面右侧，一名男子从海事交易所（Marine Exchange）的窗口探身而出，正通过扩音器高声喊话。他头顶上方的横幅写有"Marine Exchange"字样，下方的海面在光线映照下波光粼粼。