Before alarm clocks there were knocker-upper's. Mary Smith earned sixpence a week shooting dried peas at sleeping workers windows. Limehouse Fields. London. . Undated. Photograph from Philip Davies' Lost London: 1870 - 1945.

Before alarm clocks there were knocker-upper's.  Mary Smith earned sixpence a week shooting dried peas at sleeping workers windows.  Limehouse Fields.  London. . Undated.  Photograph from Philip Davies' Lost London: 1870 - 1945.

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