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	<title>Comments on: Tomorrow the world</title>
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	<link>http://airminded.org/2006/12/30/tomorrow-the-world/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=tomorrow-the-world</link>
	<description>Airpower and British society, 1908-1941</description>
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		<title>By: Brett Holman</title>
		<link>http://airminded.org/2006/12/30/tomorrow-the-world/comment-page-1/#comment-158868</link>
		<dc:creator>Brett Holman</dc:creator>
		<pubDate>Tue, 28 Jun 2011 12:45:24 +0000</pubDate>
		<guid isPermaLink="false">http://airminded.org/2006/12/30/tomorrow-the-world/#comment-158868</guid>
		<description>Sorry, I don&#039;t know how rare it might be. To get a rough idea you could see how many copies are for sale on &lt;a href=&quot;http://www.abebooks.com&quot; rel=&quot;nofollow&quot;&gt;www.abebooks.com&lt;/a&gt;.</description>
		<content:encoded><![CDATA[<p>Sorry, I don't know how rare it might be. To get a rough idea you could see how many copies are for sale on <a href="http://www.abebooks.com" rel="nofollow">http://www.abebooks.com</a>.</p>
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		<title>By: Jayne ciancia</title>
		<link>http://airminded.org/2006/12/30/tomorrow-the-world/comment-page-1/#comment-158853</link>
		<dc:creator>Jayne ciancia</dc:creator>
		<pubDate>Sat, 25 Jun 2011 14:09:58 +0000</pubDate>
		<guid isPermaLink="false">http://airminded.org/2006/12/30/tomorrow-the-world/#comment-158853</guid>
		<description>Hi there  Brett  i have just been sorting out my house before i move  and have have  a book passed down to me from my grandfather via my belated mother  an old Alas  Named  THE PEOPLES ATLAS  THE WORLD TRANSFORMED  
The book is old but still intact  i have just googled the title  and your site and blog came up  and i noticed some one  said it could be a rare book  so i wanted to know what  youi thought   regards Jayne Ciancia</description>
		<content:encoded><![CDATA[<p>Hi there  Brett  i have just been sorting out my house before i move  and have have  a book passed down to me from my grandfather via my belated mother  an old Alas  Named  THE PEOPLES ATLAS  THE WORLD TRANSFORMED<br />
The book is old but still intact  i have just googled the title  and your site and blog came up  and i noticed some one  said it could be a rare book  so i wanted to know what  youi thought   regards Jayne Ciancia</p>
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		<title>By: Brett Holman</title>
		<link>http://airminded.org/2006/12/30/tomorrow-the-world/comment-page-1/#comment-78301</link>
		<dc:creator>Brett Holman</dc:creator>
		<pubDate>Wed, 23 Jul 2008 12:47:38 +0000</pubDate>
		<guid isPermaLink="false">http://airminded.org/2006/12/30/tomorrow-the-world/#comment-78301</guid>
		<description>No worries, once you&#039;ve got images up they really eat up the bandwith. Thanks for the context ... it seems to be a very rare book, the British Library seems not to know of it!</description>
		<content:encoded><![CDATA[<p>No worries, once you've got images up they really eat up the bandwith. Thanks for the context ... it seems to be a very rare book, the British Library seems not to know of it!</p>
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		<title>By: Jonathan Hipkiss</title>
		<link>http://airminded.org/2006/12/30/tomorrow-the-world/comment-page-1/#comment-78253</link>
		<dc:creator>Jonathan Hipkiss</dc:creator>
		<pubDate>Tue, 22 Jul 2008 09:39:50 +0000</pubDate>
		<guid isPermaLink="false">http://airminded.org/2006/12/30/tomorrow-the-world/#comment-78253</guid>
		<description>The atlas is entitled &quot;The Peoples Atlas - The World Transformed&quot; and is clearly an attempt to layout the current state of the World post the biggest war ever seen at that time.  It has the full Peace Treaty in it and the articles of the League of Nations.  It has various commentaries of the future by notable people of the time King George, Lloyd George, President Wilson, Archbishop of Cantebury .... and thewn it just dives into a load of maps showing economic and commercial geography as you can see from my site.  No where does it suggest that these maps are visionary, the map you&#039;ve commented simply has a title of &quot;The World: Principal Air Routes; Types of Aircraft&quot;.  As I said, it smacks of propaganda.  The British ruling classes never really levelled with the masses, they were never considered &quot;up to the job&quot; of understanding the complex issues in the World.  They soon paid the price as the massive change in Britain post WWI which saw a lot of change.

BTW, I&#039;m going to be cheeky now because the website hosting costs me a good deal each year, not in storage but bandwidth in excess of 200Gb per month, so any donations by your readers would be most welcome, just click the &quot;Donate&quot; button on my site.

Cheers


Jonathan</description>
		<content:encoded><![CDATA[<p>The atlas is entitled "The Peoples Atlas - The World Transformed" and is clearly an attempt to layout the current state of the World post the biggest war ever seen at that time.  It has the full Peace Treaty in it and the articles of the League of Nations.  It has various commentaries of the future by notable people of the time King George, Lloyd George, President Wilson, Archbishop of Cantebury .... and thewn it just dives into a load of maps showing economic and commercial geography as you can see from my site.  No where does it suggest that these maps are visionary, the map you've commented simply has a title of "The World: Principal Air Routes; Types of Aircraft".  As I said, it smacks of propaganda.  The British ruling classes never really levelled with the masses, they were never considered "up to the job" of understanding the complex issues in the World.  They soon paid the price as the massive change in Britain post WWI which saw a lot of change.</p>
<p>BTW, I'm going to be cheeky now because the website hosting costs me a good deal each year, not in storage but bandwidth in excess of 200Gb per month, so any donations by your readers would be most welcome, just click the "Donate" button on my site.</p>
<p>Cheers</p>
<p>Jonathan</p>
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		<title>By: Brett Holman</title>
		<link>http://airminded.org/2006/12/30/tomorrow-the-world/comment-page-1/#comment-77979</link>
		<dc:creator>Brett Holman</dc:creator>
		<pubDate>Fri, 18 Jul 2008 09:16:27 +0000</pubDate>
		<guid isPermaLink="false">http://airminded.org/2006/12/30/tomorrow-the-world/#comment-77979</guid>
		<description>I wouldn&#039;t say it&#039;s inaccurate, really, more that it&#039;s predictive, or aspirational perhaps ... an attempt to forecast what the routes will be, given the world&#039;s geography. But I take it the atlas doesn&#039;t really explain what the map is supposed to show?

Btw, thanks for putting the map online!</description>
		<content:encoded><![CDATA[<p>I wouldn't say it's inaccurate, really, more that it's predictive, or aspirational perhaps ... an attempt to forecast what the routes will be, given the world's geography. But I take it the atlas doesn't really explain what the map is supposed to show?</p>
<p>Btw, thanks for putting the map online!</p>
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		<title>By: Jonathan Hipkiss</title>
		<link>http://airminded.org/2006/12/30/tomorrow-the-world/comment-page-1/#comment-77903</link>
		<dc:creator>Jonathan Hipkiss</dc:creator>
		<pubDate>Thu, 17 Jul 2008 19:33:40 +0000</pubDate>
		<guid isPermaLink="false">http://airminded.org/2006/12/30/tomorrow-the-world/#comment-77903</guid>
		<description>Hi,

I&#039;m so glad that me uploading my map generated this discussion.  I&#039;m afraid I can&#039;t confirm the date of the map exactly because, as was very common in those days, they never dated the atlas.  However, on reading through it there is mention of statistics &quot;...by the end of 1919 ...&quot; but no later, so I&#039;m guessing it was written if not published in 1920.

I would never have questioned the map, as I&#039;m not into air travel, I&#039;m amazed that it is so inaccurate, I suspect there is some post war propoganda going on.

Jonathan</description>
		<content:encoded><![CDATA[<p>Hi,</p>
<p>I'm so glad that me uploading my map generated this discussion.  I'm afraid I can't confirm the date of the map exactly because, as was very common in those days, they never dated the atlas.  However, on reading through it there is mention of statistics "...by the end of 1919 ..." but no later, so I'm guessing it was written if not published in 1920.</p>
<p>I would never have questioned the map, as I'm not into air travel, I'm amazed that it is so inaccurate, I suspect there is some post war propoganda going on.</p>
<p>Jonathan</p>
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		<title>By: Airminded &#183; The greatest air service in the world</title>
		<link>http://airminded.org/2006/12/30/tomorrow-the-world/comment-page-1/#comment-37223</link>
		<dc:creator>Airminded &#183; The greatest air service in the world</dc:creator>
		<pubDate>Thu, 01 Feb 2007 17:25:17 +0000</pubDate>
		<guid isPermaLink="false">http://airminded.org/2006/12/30/tomorrow-the-world/#comment-37223</guid>
		<description>[...] A follow-on of sorts to a recent post. [...]</description>
		<content:encoded><![CDATA[<p>[...] A follow-on of sorts to a recent post. [...]</p>
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		<title>By: Brett Holman</title>
		<link>http://airminded.org/2006/12/30/tomorrow-the-world/comment-page-1/#comment-34598</link>
		<dc:creator>Brett Holman</dc:creator>
		<pubDate>Tue, 16 Jan 2007 05:55:33 +0000</pubDate>
		<guid isPermaLink="false">http://airminded.org/2006/12/30/tomorrow-the-world/#comment-34598</guid>
		<description>Firstly, please note that an &lt;a href=&quot;http://airminded.org/2006/12/30/tomorrow-the-world/#comment-31810&quot; rel=&quot;nofollow&quot;&gt;earlier comment&lt;/a&gt; of Chris&#039;s has been rescued from SpamKarma and should be read for the straight dope on the map projection used in the air route map. I&#039;ll defer to him as he is clearly much more of a map geek than I am!

On Chris&#039;s answer to CK&#039;s question, yeah what he said. I think the key point is that Glenn&#039;s orbit was inclined to the equator (as are most orbits), which, when projected onto the map of the Earth, explains the apparent &quot;waviness&quot; of the orbital ground trace. Also, as the Earth was rotating beneath Glenn as he orbited, the traces don&#039;t match up but shift along with each orbit.

HTH!</description>
		<content:encoded><![CDATA[<p>Firstly, please note that an <a href="http://airminded.org/2006/12/30/tomorrow-the-world/#comment-31810" rel="nofollow">earlier comment</a> of Chris's has been rescued from SpamKarma and should be read for the straight dope on the map projection used in the air route map. I'll defer to him as he is clearly much more of a map geek than I am!</p>
<p>On Chris's answer to CK's question, yeah what he said. I think the key point is that Glenn's orbit was inclined to the equator (as are most orbits), which, when projected onto the map of the Earth, explains the apparent "waviness" of the orbital ground trace. Also, as the Earth was rotating beneath Glenn as he orbited, the traces don't match up but shift along with each orbit.</p>
<p>HTH!</p>
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		<title>By: Chris Lightfoot</title>
		<link>http://airminded.org/2006/12/30/tomorrow-the-world/comment-page-1/#comment-34523</link>
		<dc:creator>Chris Lightfoot</dc:creator>
		<pubDate>Mon, 15 Jan 2007 19:34:34 +0000</pubDate>
		<guid isPermaLink="false">http://airminded.org/2006/12/30/tomorrow-the-world/#comment-34523</guid>
		<description>Orbits can get a bit complicated but to start with let&#039;s imagine circular orbits. The orbiting spacecraft always travels in a plane which passes through the center of the earth, and that&#039;s also the center of the circle it follows (for a general elliptical orbit it would be one of the foci). For simplicity let&#039;s also assume that the spacecraft&#039;s orbital period is much shorter than a day, so that the rotation of the earth beneath the spacecraft may be ignored. So the plane of the orbit divides the earth into two arbitrary hemispheres; the orbits therefore trace out &lt;a href=&quot;http://en.wikipedia.org/wiki/Great_circle&quot; rel=&quot;nofollow&quot;&gt;great circles&lt;/a&gt; on the earth&#039;s surface. The Glenn orbit maps show a roughly circular orbit inclined by about 30 degrees passing over the United States (not surprisingly given where he started).

Life is harder if you want to plot arbitary other trajectories (for instance highly elliptical orbits, orbits with periods ~24 hours, parabolic trajectories as of missiles, etc.) and the above discussion doesn&#039;t apply in full. However, the plane of the orbit must still pass through the center of the earth and therefore still divides the (notionally spherical) earth into two equal hemispheres.</description>
		<content:encoded><![CDATA[<p>Orbits can get a bit complicated but to start with let's imagine circular orbits. The orbiting spacecraft always travels in a plane which passes through the center of the earth, and that's also the center of the circle it follows (for a general elliptical orbit it would be one of the foci). For simplicity let's also assume that the spacecraft's orbital period is much shorter than a day, so that the rotation of the earth beneath the spacecraft may be ignored. So the plane of the orbit divides the earth into two arbitrary hemispheres; the orbits therefore trace out <a href="http://en.wikipedia.org/wiki/Great_circle" rel="nofollow">great circles</a> on the earth's surface. The Glenn orbit maps show a roughly circular orbit inclined by about 30 degrees passing over the United States (not surprisingly given where he started).</p>
<p>Life is harder if you want to plot arbitary other trajectories (for instance highly elliptical orbits, orbits with periods ~24 hours, parabolic trajectories as of missiles, etc.) and the above discussion doesn't apply in full. However, the plane of the orbit must still pass through the center of the earth and therefore still divides the (notionally spherical) earth into two equal hemispheres.</p>
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		<title>By: CK</title>
		<link>http://airminded.org/2006/12/30/tomorrow-the-world/comment-page-1/#comment-34470</link>
		<dc:creator>CK</dc:creator>
		<pubDate>Mon, 15 Jan 2007 12:51:27 +0000</pubDate>
		<guid isPermaLink="false">http://airminded.org/2006/12/30/tomorrow-the-world/#comment-34470</guid>
		<description>Oh good. Well can somebody please explain the orbit maps produced by NASA?

https://www.georgeglazer.com/archives/maps/archive-pictorial/glennorbit.html</description>
		<content:encoded><![CDATA[<p>Oh good. Well can somebody please explain the orbit maps produced by NASA?</p>
<p><a href="https://www.georgeglazer.com/archives/maps/archive-pictorial/glennorbit.html" rel="nofollow">https://www.georgeglazer.com/archives/maps/archive-pictorial/glennorbit.html</a></p>
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