Envelope containing mustard plasters from `Tabloid' medicine chest used by Walter Wellman for Transatlantic balloon flight, 1910, made by Burroughs Wellcome and Co., 1900-1910 Mustard plasters from 'Tabloid' medicine chest used for a transatlantic balloon flight in 1910 1900-1910
2 rectangular sheets of yellow waxy mustard plaster 2 rectangular sheets of yellow waxy mustard plaster