Brand: St. Majewski
Made in: Poland
Sulphur mustard gas (sulfide bis (2-chloroethyl), mustard gas, mustard gas) - an organic chemical compound from the group thioethers . Used as a combat toxic agent (BST) in group iperytów . The name mustard comes from the town of Ypres in Belgium , where during World War I, July 12, 1917 has been used in combat for the first time
A Polish pencil brand. Know anything else about them? Do tell.