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Herald (Melbourne), 12 January 1924, 24

After its early showing in the 1909 mystery airship wave, Australia was rarely visited by phantom airships proper. Maybe that's because real airships were even rarer, with none that I know of between 1914 and the late twentieth century: they just weren't a very plausible thing to think you saw. But they did turn up sometimes.

There was one in Western Australia in 1910, another in 1918, and a relatively famous one on 10 June 1931 between Lord Howe Island to Jervis Bay. That last one was seen by Sir Francis Chichester while making the first east-west solo flight from New Zealand to Australia -- though he seems to have only reported it decades later, and even then stopped of short of claiming it actually was an airship. In 1925, another phantom airship was seen, more definitely but equally incongruously, at Myall, near the Murray River in northern Victoria.

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Don't listen to podcasts

I'm a bit of a podcast sceptic, meaning not that I don't believe in their existence but rather that I don't really get the appeal (which probably puts me in a similar position to a blog sceptic about 15 years ago). Since they aren't actually going away any time soon, I guess it was bound to happen eventually that I would be asked to speak on one...

The podcast in question is Big If True, which is for kids and is about big things -- in my case, airships. It's hosted by Maggie and her mom, Abby Mullen (a naval historian and one of the people behind Tropy, an excellent tool for organising and annotating archival photos). And, of course, despite my scepticism I had a great time talking about airships with Maggie and Abby, who had some great questions. And yes, we did get to phantom airships! So please have a listen if you have a spare 20 minutes or so, and then maybe check out some of Maggie and Abby's other episodes too (such as aircraft carriers, with Carlton McClain, and World War II, with Kim Guise).

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Recently I've been playing around with AI-generated images. This is far less impressive than it may sound: there's a small community on Twitter and elsewhere doing this stuff already, many using scripts and tutorials which mean you don't need any more skill than the ability to log in to Google Colab, type in some keywords and hit execute. The particular AI model I'm using is VQGAN+CLIP. The AI doesn't 'know' anything about anything, to begin with, but (as I understand it) it trains from a huge image dataset drawn from the internet (imagenet_16384 seems to work best for me) and uses the associated text metadata to iteratively generate images which could be described by your keywords. You can also try starting from (or aiming towards) a selected image (which I haven't tried yet). I let them run for 500 iterations which seems to be enough to converge to something stable.

The results are usually almost, but not quite entirely, unlike whatever it is that you have in mind: not so much an uncanny valley as a whole uncanny landscape with uncanny hills, uncanny trees, uncanny streams, and uncanny clouds. (Actually it does very well with clouds.) I've got a thread going on Twitter of mostly aviation-related images; here are some that I find interesting.

A phantom airship

The first prompt I tried was 'a phantom airship'. And it's pretty good! Like any good phantom airship, meaning is in the eye of the beholder, but to me that looks something like an airship floating over an impressionistic grand house with trees, mountains and clouds.

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Articles with 'air raid' per issue, 1913-1946 (BNA)

The time has finally come to address the claim I've made in the title of this series of posts, that the air raid somehow vanished. Why did I say that, and what does it mean? Well, look at the plot above. Previously I looked at how often 'air raid' (and related phrases) appeared per issue in the British Newspaper Archive (BNA) in each month across the First World War. The above plot, now, is how often 'air raid' appeared per issue in each year from the start of the First World War (when 'air raid' was first used) until the end of the Second. Now you can see that the first peak in 'air raid''s popularity came in 1917, at an average of 0.8 mentions in every newspaper issue in BNA; and that this was followed by a second, much bigger peak in 1940 of 5.2 mentions in every newspaper issue in BNA. All of which makes sense.

What's more surprising is what happened in between. From 1921 to 1934, the phrase 'air raid' almost completely disappears from BNA. At the lowest point, 1929, the average number of mentions per issue was just 0.026, or one in about 38. In other words, if you read 38 issues you might expect to read the phrase 'air raid' once, which is more than six weeks of reading a daily. If you want some absolute figures, 'air raid' appears 609 times in the 23054 issues contained in BNA for 1929. So 'air raid' was not a phrase you were at all likely to see in a newspaper in the 1920s and early 1930s.

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Articles with 'air raid' per issue, 1914-1918 (BNA)

In my previous post I looked at the first appearances of the phrase 'air raid' and related words in the British Newspaper Archive (BNA). Of course, just because these phrases had been coined by somebody, or even used in a newspaper, it doesn't mean they were widely understood -- they might have taken a long time to catch on, or even be reinvented independently. So, in order to get a truer sense of how widespread these phrases were, we need to look at some n-grams.

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Sphere, 3 April 1915, 8

The term 'air raid' has been around a long time. Not since the first air raid, or even the first air raid of the twentieth century, but from not long after that. The first definite use in the British Newspaper Archive is in the Sheffield Daily Telegraph, during the 1913 phantom airship panic, as it happens (bold emphases are mine throughout):

The War Office were about to offer a substantial prize for the best aeroplane engine. They had already obtained an anti-airship gun of wonderful efficiency, and progress had been made in solving the problem of defending this country against foreign air raids.1

It was still vanishingly rare, though, and only became popular during the First World War. This happened very quickly. The Dundee Courier (quoting the Daily Express) used 'air raid' on 12 August 1914, though clearly more with a sense of reconnaissance rather than bombing:

Daring air raids have revealed all the German positions and movements.2

More obviously in the familiar sense is the next appearance in BNA, in a Western Gazette headline on 28 August 1914 for an attempted Zeppelin attack on Antwerp:

ANOTHER AIR RAID ON ANTWERP
ZEPPELIN REPULSED.
August 26th. IT is officially stated that the Zeppelin airship attempted last night to repeat its raid upon the city. Measures were taken to defeat the attempt, which the Zeppelin then abandoned.3

After this point 'air raid' began to be used very widely. (The image above is from the Sphere and shows 'Shells bursting round a Zeppelin during the air raid on Paris on March 20'.)4

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  1. Sheffield Daily Telegraph, 20 March 1913, 7. [↩]
  2. Courier (Dundee), 12 August 1914, 1. [↩]
  3. Western Gazette (Yeovil), 28 August 1914, 4. [↩]
  4. Sphere, 4 April 1915, 8. [↩]

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The Bystander, 31 May 1911, p. 13

To mark May Day, the Fleet Air Arm Museum, @FleetAirArmMus, tweeted about the Royal Navy's first rigid airship, which was built by Vickers at Barrow-in-Furness in 1911 in an attempt to match Germany's Zeppelins:

I was surprised by the comment about the airship's name. Probably because of its brief, non-flying existence, it's known by a variety of designations, including R1, HMA (His Majesty's Airship) 1, and HMA Hermione (since HMS Hermione acted as its tender). But it's perhaps best known by an unofficial name, Mayfly, given because, @FleetAirArmMus said, 'it was laid down on water & then took to the air', just like a mayfly. That's the part that surprised me, because I had always understood it to be much more ironic: it may fly, but it might not. And of course Mayfly didn't: it broke its back in September 1911 as it was being taken out of its hangar for its first flight.

But I don't actually know why I think that. Every secondary source I've checked just says it was 'popularly' or 'unofficially' called Mayfly, without providing a source or even an explanation. I'd also assumed that it was a name given by a sceptical press during the two years it took to build the airship, but Wikipedia, citing Philip Jarrett, says it was bestowed by the 'lower deck', i.e. the sailors. So I decided to look for some primary sources.

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Victory Through Air Power

A few weeks back I previewed my cohosting of the 1943 Disney film Victory Through Air Power for History at the Movies Australia and Aviation Cultures Mk.V. Both the conference and the livetweeting went splendidly (I think!), but I didn't get around to lazyblogging the latter... until now.

The evening began with the half-hour short documentary Flight Plan, made in 1950 by the Australian Department of Civil Aviation, which you can watch here.

[tweet id="1375357664641773573" conversation=false]Conference jokes and airline jokes -- together at last. Yes, this is going to be a good night in...

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FE.2b CF14 at Yarram, 1918

Yesterday marked the centenary of the founding of the Royal Australian Air Force on 31 March 1921. I celebrated in the usual way (buying books, talking about myself):[tweet id="1377043532775493636" conversation=false][tweet id="1377044249552678913" conversation=false][tweet id="1377044649374715908" conversation=false]But I also decided to use the occasion to talk about something that's missing from the usual RAAF origin story, and that's the mystery aeroplane panic of 1918. [tweet id="1377045231397335041" conversation=false][tweet id="1377046196846399494" conversation=false][tweet id="1377046835257253889" conversation=false]

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Victory Through Air Power (1943)

Back in the depths of last winter (and the great Melbourne pandemic lockdown of 2020) I had great fun as the co-host for the Historians at the Movies Australia (#HATMAus) livetweet of Sky Captain and the World of Tomorrow. Tomorrow I'm going to be doing it again, this time along with James Kightly and Daniel J. Leahy as a special #HATMAus-Aviation Cultures co-presentation of the 1943 Disney film Victory Through Air Power, based on Alexander de Seversky's book of the same name. It's a wonderful example of both wartime and airpower propaganda, and I hope you'll join me for it. If you need more convincing, just before the main feature we'll be giving the 1950 Australian short Flight Plan the same treatment. If you need even more convincing, it's all free (you don't need to buy a conference ticket -- though please feel free to do so! -- and the movies are publicly available.) It starts at 7pm, Friday, 26 March 2021, on Twitter; the details and links are all here. See you there!

Image source: Victory Through Air Power (1943).