This slide by Alfred Oliver Rowden shows smoke or dust rising from the bank of the river Tigris. This was probably taken while he was on board a boat to Baghdad which Rowden refers to as PS 25. Rowden was in Mesopotamia during the First World War and was not sent home until 1919 or 1920.
handwritten 'M 78' on top edge
handwritten '78' on masking strip
This object is not on display.