...When you send your portion of the usual exchange, add a / to the end of your name and add the name of the company that manufactured your key. For some of the keys the US military used, that may be difficult. In that case, use the model: J38, J47, etc. For compound names, such as Signal Electric Corp., you can truncate or abbreviate the name. Signal Electric Corp. could be sent merely as Signal; American Morse Equipment could be sent as AME; a Grimmer Wilson key could be Grimmer...

...Each manufacturer is worth 50 bonus points and counts only once during the event. A key made in Germany, a Junker or Baumuster for example, is worth 100 points. Use the letters from call signs to spell out Munchen Oktoberfest, and you can tack on another 150 points. The letters from any given call can be used only once; if you need more Os that one call can supply, you need to work another station with an O in its call...