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<!DOCTYPE photocatalogue [

<!-- Top tags -->
<!ELEMENT photocatalogue (image)*>

<!-- Level 1 tags -->
<!ELEMENT image (caption, filmstock?, exposure?, description?, development?)>
<!ATTLIST image imageID ID #REQUIRED>

<!ELEMENT caption (title,date?)>
<!ELEMENT filmstock (make,speed,type)>

<!ELEMENT exposure EMPTY>
<!ATTLIST exposure shutter CDATA #REQUIRED>
<!ATTLIST exposure aperture CDATA #REQUIRED>
<!ATTLIST exposure focal_length CDATA "">

<!ELEMENT description (#PCDATA)>
<!ELEMENT development (solution,time)>

<!-- Level 2 tags -->
<!ELEMENT title (#PCDATA)>
<!ELEMENT date (#PCDATA)>
<!ELEMENT make (#PCDATA)>
<!ELEMENT speed (#PCDATA)>
<!ELEMENT type (#PCDATA)>
<!ELEMENT solution (#PCDATA)>
<!ELEMENT time (#PCDATA)>

]>
<photocatalogue>
	<image imageID="ST001">
		<caption>
			<title>
			Stags at Dawn
			</title>
			<date>
			12 January 1997
			</date>
		</caption>
		<filmstock>
			<make>
			kodak
			</make>
			<speed>
			200
			</speed>
			<type>
			colour
			</type>
		</filmstock>
		<exposure shutter="1/200" aperture="f2.8" focal_length="210"/>
		<description>
		Shot of stags in the morning at Bushey royal park
		</description>
	</image>
	<image imageID="CL102">
		<caption>
			<title>
			Clock Tower
			</title>
			<date>
			28 October 1997
			</date>
		</caption>
		<filmstock>
			<make>
			Ilford FP4
			</make>
			<speed>
			125
			</speed>
			<type>
			Black and white
			</type>
		</filmstock>
		<exposure shutter="12 sec" aperture="f8" focal_length="100" />
		<description>
		Night Time shot of the main clock on the Croydon Town Hall. Timed exposure, using tripod
		</description>
		<development>
			<solution>
			Jessops Econotol
			</solution>
			<time>
			30 sec
			</time>
		</development>
	</image>
</photocatalogue>
