Patt.20 (1915 - 1925)
Strand
15/20A Perch Arc, 6 x 8-in. piano convex lens, including rear operated "Diamond" shutter, slide focus. Lined teak housing.
Introduced c1915 replaced c1925 by Patt.23 early version
Catalogue & Journal Entries for Patt.20 in the Backstage Heritage Collection
Back to Lanterns (Patt. Numbered) (Strand)
1204