Your guide to Martello Towers in the UK and throughout the world.

Miscellaneous Photos and Other Items

Blue Line

Smoke Holes/Vents

Smoke Holes or Vents are circular holes above the (normally) two windows on the first floor of a Martello Tower, that lead up to the parapet to dissipate musket smoke in times of siege.

This photo is of the smoke holes in the now collapsed Martello Tower No. 19 near Dymchurch 

Smoke Holes or Vents