細節
A Revo Monarch horn speaker
with mahogany-grained metal horn -- 23½in. (59.5cm.) high; and a straight-stem horn loudspeaker with polished copper horn, on circular iron and wood base, marked Pat. No.215456/23 -- 30½in. (77.5cm.) high (2)
with mahogany-grained metal horn -- 23½in. (59.5cm.) high; and a straight-stem horn loudspeaker with polished copper horn, on circular iron and wood base, marked Pat. No.215456/23 -- 30½in. (77.5cm.) high (2)