https://collections.mcny.org/Collection/[Man demonstrating a pump to a group.]-2F3408JURSV.html Larger image94.104.10Alexander Alland[Man demonstrating a pump to a group.]Date:ca. 1940negative (photographic)acetate negativeH: 4 in, W: 5 inFile dimensions:4178px × 5500pxSelect usageWhat Type of Order?Add to lightboxKeywords:MachineryMeetingsUniformsview related galleriesPhotographs