Abstract: Images of three men at work in an old quarry in Blaenau Ffestiniog that they had taken over to use the quarry rubble to make other items, showing the men treating stones on the tip, collecting the rubble with a pick-up crane and using power tools to work the rubble into good and valuable slates.
Part of: Casgliad Geoff Charles Collection,
Charles, Geoff, 1909-2002.
Title assigned by cataloguer., [A selection of the images have been published and appeared in Y Cymro, 26 February 1959].
Computer file. Aberystwyth : National Library of Wales, 2002-2004. (Geoff Charles digitisation project) Original, master file captured in uncompressed TIFF format. Minimal tonal adjustments using levels and curves in PhotoShop. Master files archived as pc format TIFFS. On-screen display files resized and adjusted for viewing on gamma 2.2 monitors in PhotoShop and saved in JPEG format. 4 image files; Heidelberg Nexscan F4100 capture device using Linocolor v6.0.4 software. Filter settings: light contour-0.5, dark contour-0.5, smoothness-0.6,contour width-1.0, scan spot size-4.0. Target resolution for hi-res capture was 300dpi at a factor of 450% resulting in +/- 6000 x 5000 pixels; screen res:+/- 600x500 pixels at 72dpi; screen-res and thumbnail copies use JPEG compression at setting: 7 in Adobe Photoshop v6.0; 8 bit grayscale; hi-res TIFFs: Gray Gamma 1.8 icc profile embedded.
2002-2004 ; scanned. Imaging Unit, National Library of Wales, Aberystwyth, Ceredigion.