At the time, varnish production was rudimentary and had only simple materials with which to work, and pre-dated the development of modern polymer chemistry.
It pre-dated the development of modern polymer chemistry. At the time, varnish production was rudimentary and had only simple materials with which to work.
At the time, varnish production was rudimentary and had only simple materials with which to work. It pre-dated the development of modern polymer chemistry.
At the time, varnish production was rudimentary and had only simple materials with which to work. It pre-dated the development of modern polymer chemistry.