Symmetrical doublet lens

Made:
circa 1866 in Dublin
maker:
Thomas Grubb
Symmetrical doublet lens

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A Symmetrical doublet lens with Waterhouse stops and rack and pinion focusing on the lens barrel. F.5 8inch f.l.

Details

Category:
Photographic Technology
Object Number:
1979-559/1395
Materials:
glass and metal (unknown)
Measurements:
overall: 130 mm x 115 mm x 88 mm,
type:
lens