File:Specification of William Alltoft Summers and Nathaniel Ogle - steam-engine and other boilers - page 1 (arms).jpg
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Specification_of_William_Alltoft_Summers_and_Nathaniel_Ogle_-_steam-engine_and_other_boilers_-_page_1_(arms).jpg (310 × 209 pixels, file size: 24 KB, MIME type: image/jpeg)