… impregnated, coated or covered; painted canvas being theatrical scenery, studio back-cloths or the like. …
Explanatory notes
… impregnated, coated or covered; painted canvas being theatrical scenery, studio back‑cloths or the like. (I) … and colouring matter. It also includes packing cloths, strong coarse fabrics of hemp, jute, cotton, linen, or … mica. (H) Fabrics impregnated with a mastic based on petroleum jelly or with other mastics, used to seal glazing, …