TY - BOOK ID - 422515 TI - Secret knowledge : rediscovering the lost techniques of the Old Masters PY - 2001 SN - 0500237859 9780500237854 PB - London : Thames and Hudson, DB - UniCat KW - History KW - optics KW - Painting KW - camera lucidas KW - optical instruments KW - perspective [technique] KW - camera obscuras KW - painting techniques KW - space [composition concept] KW - art criticism KW - camera obscura KW - kunstbeschouwing KW - schilderkunst KW - projectie KW - painting [image-making] KW - Hockney, David KW - Schilderkunst KW - schilderen [kunst] KW - kunstkritiek KW - Drawing KW - Optics and art KW - Camera lucida KW - Camera obscura KW - CDL KW - 75.02 KW - Image transmission KW - Art and optics KW - Art KW - Technique&delete& KW - Equipment and supplies KW - Drawings KW - Sketching KW - Graphic arts KW - Illustration of books KW - Manual training KW - Oil painting KW - Painting, Primitive KW - Paintings KW - Technique UR - https://www.unicat.be/uniCat?func=search&query=sysid:422515 AB - David Hockney rewrites the history of art, revealing the extraordinary ways in which the Old Masters used optical devices to produce their work. ER -