"On this territory, in the factory 'Konrad-Jarnuszkiewicz,' between the years 1942 and 1944, on the initiative of PPOR. AK Jozefa Kaplera and 26 workers/troops of the AK, stood a secret plant of 'Polish Sten' machine guns. During the Warsaw uprising of 1944, troops of the National Army unit 'Chrobry II,' especially the company of PPOR. Jeremiego, heroicly defended access to downtown. In honor and remembrance, friends/troops of the AK (National Army), 1994." (Translation provided anonymously.)