Mixture

Gesso ground for panels

Gesso ground for panels   Whiting Glue size (1: 15 water*) Prepare a small quantity of size by soaking the glue granules in water until swollen. Warm the glue in a double boiler or a Pyrex glass basin, until melted. Remove from the heat source. Add a small amount of whiting to the size and stir gently with a brush. Test the mixture by painting onto a piece of waste wood; it should coat it with a milky film. Allow to dry for 12 hours.   Prepare a fresh batch of size (but this time with larger quantities) and melt Read more

Surface Preparations

Chalk ground for panels   3 parts whiting 1 part Titanium white pigment (Optional) 3 parts glue size (1: 15 water)   Sized panel (1:15 solution)   On a glass slab form a well in the centre of the whiting and add the glue size, gradually folding in the powder and work with a palette knife until a firm but glossy paste is formed. If the mixture is too dry it can be adjusted with a small addition of 1:15 glue size, if too wet a small quantity of whiting can be added. The stiff paste can be stored in Read more

Photographic Processes and Terms

  Albumen print The first glossy coated photographic print. In general use c. 1855-1890.  Thin paper was  first coated with a mixture of whisked egg white and salt, then sensitized with silver nitrate.  It was usually printed-out in sunlight under the negative in a printing frame. C-type print Photographic colour print made from a colour negative: the most widely-used form of colour photograph today. … PDF: Photographic Processes and Terms