As far as can be ascertained by Father Gherai who had his instead ments adjusted to catch disturbances: Of u wave length between eight and 12 seconds' duration, -the most severe shock occurred on April 18, in Bulgaria, The photographic plate of the seismograph showed that on that date a violent bance took place approxi Kilometres from Siceawe dicates the earthquake in Bulgaria, according to Father Gherzi, On the horizontal instrument, the registration continued during two hours, and does not show the markod variation of that on the vertical, or Galitzine, where amplification by. means of the more sensitive instrument set at the correct adjustment for registering an wave was up 1,600 times beyond sts zero level. lgaria, according to Father Ghorzi. The horizontal instrument did not register anything readable, while a small scientific misfortune occurred in the ease of the vertical "indicator. 'This didn't register anything during the time, computed from newspaper telegrams to have been duration of the quake, owing to something having gone' wrong with the aleetrie light supply. Cutting off of the lights made it impossible for the revolving photo graphic plate to. receive the instrument's impressions. But, while Galitzino would undoubtedly have showed more amplificati the horizontal indicator, it is to assume that the quake was by means as severe as the Bulgarian Father Gherzi explained.
Text read from the printed page and cleaned; old type leaves the occasional error.