[Image] 2012.50.0418 (V-17)

Lamp: maker's mark ... AMS Horizontal (normal)

[Drawing] PD 1375-46 (DA 11863)

Roman lamp signatures ... Dirty Heavy Tracing Paper Drafting Ink

[Card] L 2710

[Image] 2012.25.0267 (7-133)

Lamps ... AMS Horizontal (normal)