arrowbookcheckclosecommentfacebookfavourite-origfavouritegooglehomeibapdfsearchsharespotlighttwitterwelsh-government
  • Use stars to collect & save items A vector image of star to represent action to save this item   Login to save this item

Description

This type of safety lamp is still in use today in coal mines to warn the miners of the presence of gas underground.

Comments (0)

You must be logged in to leave a comment