1890s English Military

chub

Bronze Member
Apr 23, 2017
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Detector(s) used
Fisher F75, Minelab Soveriegn XS 2
Nokta pinpointer
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All Treasure Hunting

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Could also possibly be railway related? I found it some time ago at my favourite 1890s English military site. Was cleaning out my phone and found this pic.

Chub
 

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Camera F-stops: 3.8, 5.6, 8, 11, 16, 22

Likely either used by a photographer to set up a lens aperture or a repair shop to verify opening size.

Though larger numbers mean smaller openings so that would have measured the "leaf" and not the opening.

9332691_orig.jpg
 

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