Following on from my first and second blog posts, these registered designs for ‘straw plaits’ demonstrate how the image capture and processing technique of Polynomial Texture Mapping (PTM) enables detailed examination of finely textured surfaces. This fosters appreciation of the exquisite quality of the ‘plaiting’ and also demonstrates the richness of the BT Design Register as a resource for understanding the history and technology of the straw hat industry.
Viewing these images requires Java.
Click and drag on the images to redirect the lighting. Right-click for more options
[rti src=”wp-content/uploads/2013/04/BT43_422_79073_cropped_545.ptm” width=”543″ height=”215″]
BT 43/422/79073: Chip plait with cordonnet edge, registered on 29 May 1851 by William Darvell, junior, of Chesham, Buckinghamshire (UK).
[rti src=”wp-content/uploads/2013/04/BT43_422_79074_cropped_545.ptm” width=”543″ height=”215″]
BT 43/422/79074: Chip plait with cordonnet edge, registered on 29 May 1851 by William Darvell, junior, of Chesham, Buckinghamshire (UK).
[rti src=”wp-content/uploads/2013/04/BT43_422_79155_cropped_545.ptm” width=”545″ height=”197″]
BT 43/422/79155: Chip plait with cordonnet edge, registered on 6 June 1851 by William Darvell, junior, of Chesham, Buckinghamshire (UK).
[rti src=”wp-content/uploads/2013/04/BT43_422_79156_cropped_545.ptm” width=”544″ height=”258″]
BT 43/422/79156: Chip plait with cordonnet edge, registered on 6 June 1851 by William Darvell, junior, of Chesham, Buckinghamshire (UK).
[rti src=”wp-content/uploads/2013/04/BT43_422_79157_cropped_545.ptm” width=”542″ height=”157″]
BT 43/422/79157: Chip plait with cordonnet edge, registered on 6 June 1851 by William Darvell, junior, of Chesham, Buckinghamshire (UK).
Download the software
For the full experience, including the ability to zoom, you can download the RTI Viewer software, available from culturalheritageimaging.org, then explore the original high-resolution file by right-clicking this link, saving the image to your desktop, and opening it in the RTI Viewer: Chip plaits (61Mb).