Two British military heliographs 5" Mark V in original leather fitted cases, the frames stamped Helio, 5" Mark V, NIVOC, W. & J. G. Ltd and Helio 5" Mark V C&D B24435, cases stamped HELIO 5" MK.V F. LTD and HELIO 5" MK.V L.A.M (2)

Sold for: £120

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