Browse Items (35 total)

The British Geological Survey archive "Geoscenic" has made photos taken by geologist Archibald Gordon MacGregor during the Royal Society expedition to Montserrat in 1936 available online.

Letter contains info RE gas samples and observations on Montserrat.

Receipt of Perret's report on Montserrat and thanks for services rendered.

Letters between Perret, Day and Keppel regarding earthquakes and potential volcanic activity on Montserrat, including photographs of Plymouth and the Gages Soufriere.

Decreasing activity, reference to smell of gas and intensity of earthquakes

Seismic phenomena, May 6th, August 24th, December 12th. Chances Mount. Morale on Montserrat. Gases, nature of those emmitted has not changed, contents of the gas. Mentions Dr Shepherd's tests. Use of odour to ID gasses. Temperatures not high enough…

Discussion of reports and letters RE Montserrat activity. Seismic activity and sound from microphone. Description of seismeter apparatus.

Rising temperatures potential faulty instrument. Presence of a fissure rather than a crater at Gages. Discussion of Gas. Eye-stinging from gasses. Mentions the "human crisis" he is witness to. Discussion of his book and further funds. Copy of letter…

Seismic activity, only a few felt earthquakes during his visit. Seismometer used to detect them. Points to lunar cycle as potential explanation for activity. Temperature - Bristol thermometer corroded, slow decline in temperatures at Gages. Chemical…

Royal Society expedition to Montserrat, MacGregor. Dr Shepherd analyses and Dr Trechman analyses. Impact on iron elements of apparatus. Expenses, idea for equipment details of equipment. Jaggar and Flett thinking a nuee ardente did not destroy St…