A glass lantern slide numbered 52 produced by Newton & Co which formed part of a series titled "The Persians, Kurds, and Nestorians, their manners and customs" which consisted of 64 glass slides. The photographs were produced from a series of original negatives.
Newton & Co catalogue of lantern slides, part II, 1911/1912
The image appears on page 257 of the 1st Edition, Volume One of "Living Races of Mankind" published by Hutchinson & Co in 1901. The image is published by permission of Newton & Co and is titled "Butter-making in goat-skin Churns (Nestorians, Armenia)". Of note, the image is included in the "Nestorians" section of the Newton & Co series: "The Persians, Kurds, and Nestorians, their manners and customs".