A guide to codes and signals : international flag code, secret ciphers, weather signals, morse code, sign language, etc., with flags of all nations / by Gordon A.J. Petersen and Marshall McClintock ...

The rock group The Who sung “Who, who are you?” A distant analogy could be made between ships passing each other in former years and wondering “who, who are you?” Sometimes private flags were the ...

I enthusiastically join thousands of other chemists in appreciating the articles on the periodic table. I suggest that at the end of the year you gather them up into a special issue—it would be a ...