Birmingham pen trade same time Osmiroid International had a large production plant in the city. Birmingham pen trade The Birmingham pen trade evolved in the Birmingham Jewellery Quarter and its surrounding area in the 19th century; for many years, the city was the centre of the world's pen trade. In Newhall Street, John Mitchell manufactured pens; he pioneered mass production of steel pens (prior to this, the quill pen was the most common form of writing instrument). Mitchells are credited as being the first manufacturers to use machines to cut pen nibs, greatly speeding up the process. John's brother William later set up
Lost Animals of the 20th Century such is unavailable, the live materials feature existing species that share the closest characteristics with the extinct animal. Although the show specifically deals with animals that have become extinct, there was one episode that featured the theme of animals which were thought to be extinct, but have been rediscovered. Such has also been the case of some previously featured animals in the show, as scientists have eventually rediscovered extant populations or are attempting to revive species through selective breeding/cloning. Among the animals featured are: Lost Animals of the 20th Century Lost Animals of the 20th Century is a 16-episode documentary