John Breed, Diary and Training diary, item 109

• March 29, 2017 01:52:59 Cheryl Ellsworth

  Primer Percussion Q.F Cartridge No I
  

  Mark I

    Diagram of cartridge with the following parts labeled: 

  
  

  PAPER DISC

  CLOSING DISC

  3 FIRE HOLES

  POWDER

  WHITED BROWN PAPER DISC

  BALL

  BODY

  CAP

  
  

  Note
  

       The Mark I primer differs from Mark II in the

  head being recessed to receive a brass chamber containing

  a cap, this cap chambre forms the anvil and has three

  fire holes; it is connected with the gunpowder charge

  in the body by a channel which contains a soft ball

  in a coned seating and which forms the sealing chamber.

Description