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Narrative Source Photograph
HENRY IMBROLL

Photo found on ancestry website and likely to be Henry Imbroll who was a Canteen Manager on Warrior. He was from Malta and his passpost application seems to confirm he served on RN Ships in WW1 stating that his original passport was lost when he was torpedoed on collier S.S. Inergil (Invergyle).
Ancestry websites via Spike Sheldon