Patt.22 Front of House Spotting Arc (1916 - 1936)
Strand
Pattern 22
Heavy-type, 30-50 Amps.
30/40A Carbon Arc Front of House Spotting Arc, integral blackout shutter, 6 x 8-in plano-convex lens, rack and pinion focus. Lined teak housing.
Introduced c1916, replaced c.1936 by Patt.42 (introduced in 1925)
See also:
Documents
Catalogue & Journal Entries for Patt.22 Front of House Spotting Arc in the Backstage Heritage Collection
Back to Lanterns (Patt. Numbered) (Strand)
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