Physical description
Sebastian Cyanide Works Assay book - May 1910 to May 1911 (entered into book in reverse) J Evans Collection. Pencilled entries re description/location of sample with assay results.
Sebastian Cyanide Works Assay book - May 1910 to May 1911 (entered into book in reverse) J Evans Collection. Pencilled entries re description/location of sample with assay results.