https://wiki.opensourceecology.org/index.php?action=history&feed=atom&title=File%3A051SketchPortfolio_UJ_MartinBolton.JPGFile:051SketchPortfolio UJ MartinBolton.JPG - Revision history2026-05-15T16:39:23ZRevision history for this page on the wikiMediaWiki 1.39.13https://wiki.opensourceecology.org/index.php?title=File:051SketchPortfolio_UJ_MartinBolton.JPG&diff=86478&oldid=prevMartin Bolton: 051SketchPortfolio_UJ_MartinBolton
Multi-functionality of the covering lid. The interior of the covering lid would remain clean as it is not exposed to contaminants. If this lid can be used as clean surface on which filter maintenance could take place...2013-01-11T11:54:23Z<p>051SketchPortfolio_UJ_MartinBolton Multi-functionality of the covering lid. The interior of the covering lid would remain clean as it is not exposed to contaminants. If this lid can be used as clean surface on which filter maintenance could take place...</p>
<p><b>New page</b></p><div>051SketchPortfolio_UJ_MartinBolton<br />
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Multi-functionality of the covering lid. The interior of the covering lid would remain clean as it is not exposed to contaminants. If this lid can be used as clean surface on which filter maintenance could take place, it would prove very useful. <br />
Concept exploration relating the covering lid. This lid prevents contamination from dust, insects, animals etc.</div>Martin Bolton