
A number of newspapers print articles of varying length about the Dover airship mystery today, including the Yeovil Western Gazette, the Exeter Western Times, and the Lichfield Mercury. None of these add any new information about this incident, one being a reprint of an article already published in another newspaper and the other two simply terse summaries. However, the Dover Express and East Kent News (p. 2; above) has a local, and very sceptical, slant, saying the story has caused 'great amusement locally' where the true cause is known:
The noise which one or two people thought was due to an airship's engines was due to the exhaust of Mr. Walker's new motor boat, 'The Sappho.' The engines of this boat at the present time have no silencer, and made a great deal of noise, although no one acquainted with an airship's engine would confuse the two. On Saturday morning, at 5 o'clock, this boat was coming in harbour, and the noise was undoubtedly caused by it.
So that would appear to be that.
The Mercury also has a paragraph about the lights seen lately over the Bristol Channel — though from the Welsh side this time, not the English one: 'from Dinas Powis between ten and eleven o'clock one evening recently' (p. 7). They were seen 'above Nell's Point, Barry, and Lavernock, two of the most important in the chain of forts which form the Bristol Channel defences'. Two lights were seen, which reminded the (unnamed) observers of 'aceytlene' [sic]:
They were watched for a long time, moving to and fro in the sky above the coast near Lavernock, and after about an hour they moved off in a westerly direction. They are believed to have come from a dirigible airship or an aeroplane, but most probably from the former as they did not appear to move quickly.
The Mercury points out that 'the Bristol Channel forts are of the utmost strategic importance', because 'in the event of an outbreak of war, the chief coal shipping ports must rely [upon them] for defence against a sudden raid from a foreign Power'. Ominous.
This post is part of an experiment in post-blogging the scareship wave of January-April 1913. See here for an introduction to the series.

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Saturday, 18 January 1913
[...] Two columnists in today's issue of Flight mention the airship mystery. Oiseau Bleu ('Bluebird'), the pseudonymous author of 'Eddies', a regular commentary on aviation matters, is 'wondering whether the mysterious Dover "aircraft" after all is found in the suggestion that the noises were due to a motor boat', p. 71. This appears to be the first (if uncredited) use of the local knowledge proffered by the Dover Express on last week. [...]
Tuesday, 21 January 1913
[...] explicitly mention other scareship sightings, mentions only the Dover and Bristol Channel ones. As Dinas Powis is also in Glamorganshire, perhaps that explains the 'periodical', though not the certainty of the [...]
Thursday, 23 January 1913
[...] are inclined to connect the incident with the appearance of other mysterious aircraft and lights in the neighbourhood of the Bristol Channel [...] Opinion is crystallising in the belief that there is in existence a whole fleet of airships [...]
Wednesday, 22 January 1913
[...] In addition, 'It is declared' (by whom?) 'that a fortnight ago an airship was seen at night over Barry Dock'. [...]
Saturday, 11 January 1913
[...] 'during the hours when most worthy citizens are abed'. The third and most interesting thing is that like the Dover Express, Flight thinks there is nothing in this sighting, though it pins the blame on a British aeroplane [...]
Friday, 7 March 1913
[...] theory in mind for the Dover incident two months ago, 'when a motor boat's exhaust explosions were mistaken for those of an airship' (p. [...]