Monumental Top Box??

[the phone house]

Any info on this Monumental Mag Box? Top Box or Candle Stick Sub Set?
Age ?1800's? Value??

[G-Man]

Transcribed excerpt from a February, 1899 ad describing it along with a poor rendering.

THE "MONUMENTAL" MAGNETO BELL
For use with the Acoustic Telephones and for gen-
eral signal purposes. Works well on lines
up to three or four miles in length.

Viaduct Manufacturing
Baltimore, MD

[the phone house]

Thanks, G-Man....