Editing Geologists at war, 1914-1918
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| [[Talbot Haes Whitehead|Whitehead, T. H.]] || Captain || Suffolk Regiment (transferred to General List and attached to Intelligence Corps) || Wounded. | | [[Talbot Haes Whitehead|Whitehead, T. H.]] || Captain || Suffolk Regiment (transferred to General List and attached to Intelligence Corps) || Wounded. | ||
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− | | [[Ralph du Boulay Evans B.A.|Evans, R. du B.]] || Captain || Shropshire Light Infantry || Wounded. | + | | [[Ralph du Boulay Evans B.A.|Evans, R. du B.]] || Captain || Shropshire Light Infantry || Wounded. Prisonerof War |
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| '''Assistant Clerk''' || || || | | '''Assistant Clerk''' || || || | ||
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== Design of aircraft compasses == | == Design of aircraft compasses == | ||
− | + | In September 1916 the Geological Survey was contacted by the Admiralty Compass Department asking for assistance with the design of aircraft compasses. The problem was with the compass point and cup which were part of the bearing that allowed the compass needle to move. [[Herbert Henry Thomas|Herbert H Thomas]], a petrographer at the Survey, was given the task of finding a solution. The point and cup were both made out of sapphire, which caused the point to develop flaws and cracks. The answer was to still have the cup made out of sapphire but to use agate for the point. | |
− | In September 1916 the Geological Survey was contacted by the Admiralty Compass Department asking for assistance with the design of aircraft compasses. The problem was with the compass point and cup which were part of the bearing that allowed the compass needle to move. [[Herbert Henry Thomas|Herbert H Thomas]], a petrographer at the Survey, was given the task of finding a solution. The point and cup were both made out of sapphire, which caused the point to develop flaws and cracks. | ||
== Analysis of concrete == | == Analysis of concrete == | ||
− | In September 1917 it was noticed that German concrete pill-boxes on Vimy Ridge, which had been captured by Canadian troops, were made with gravel which could not have come from Belgium. It was suspected that the Germans had transported the gravel through the neutral Netherlands. If this was the case then it was in contravention of the Netherland's neutrality declaration as the Dutch were supposed to prevent the belligerent powers from transporting military materials across neutral territory. By October samples of the suspect concrete had been received by the Geological Survey and analysed. One of these samples was F2397 | + | In September 1917 it was noticed that German concrete pill-boxes on Vimy Ridge, which had been captured by Canadian troops, were made with gravel which could not have come from Belgium. It was suspected that the Germans had transported the gravel through the neutral Netherlands. If this was the case then it was in contravention of the Netherland's neutrality declaration as the Dutch were supposed to prevent the belligerent powers from transporting military materials across neutral territory. By October samples of the suspect concrete had been received by the Geological Survey and analysed. One of these samples was F2397. |
==Museum damaged by bomb== | ==Museum damaged by bomb== | ||
− | + | [[John Allan Howe|J Allen Howe]] was the Curator and Librarian of the Museum of Practical Geology. In a memo book he wrote a few war-related entries, for example "Aug 1914 - War". Slightly more detailed was "20 Oct 1917. Museum damaged by concussion from bomb dropped from a Zeppelin outside Swan & Edgars in [Piccadilly] Circus”. This explosion may have caused several roof beams in the museum to fracture but this was not discovered until later.[[File:P640471.jpg|thumb|150px|Main floor of museum. Scaffolding in place to support the roof whilst repairs to the cracked beams are investigated. © BGS/NERC (Image: P640471)]] | |
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− | [[John Allan Howe|J Allen Howe]] was the Curator and Librarian of the Museum of Practical Geology. In a memo book he wrote a few war-related entries, for example "Aug 1914 - War". Slightly more detailed was "20 Oct 1917. Museum damaged by concussion from bomb dropped from a Zeppelin outside Swan & Edgars in [Piccadilly] | ||
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