Powdered dye concentrate soluble in turpentines and citric terpene. These are very powerful dyes and a little goes a long way. Smaller quantities available packed by volume in reusable, laboratory rated, storage containers with an internal sealer...
Third supplement of 9 plates to the Australian Timber Buyer's Guide. See B1470 for "Australian Timber Buyer's Guide" which includes the original binder and 63 included colour plates. Picture is an example of layout and content of the supplementary...