Observation elevator cab

Transportation – Rail vehicle – Element or attachment

Patent

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Details

D12 53, D25 37, D1205

Patent

active

D02531003

REFERENCES:
patent: D180095 (1957-04-01), Mitchell
patent: 1616096 (1927-02-01), Van Doorn et al.
Sweets Architectural Catalog File, 1975, section 14.1/Ot, p. 19.

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