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
Death rates in the 20th century Death rates in the 20th century Death Rates in the 20th century is the ratio of deaths compared to the population around the world throughout the 20th century. When giving these ratios, they are most commonly expressed by number of deaths per 1,000 people per year. Many factors contribute to death rates such as cause of death, increasing the death rate, an aging population, which could increase and decrease the death rates by birth rates, and improvements in public health, decreasing the death rate. According to the CIA World Factbook, , the global crude death rate is 7.99 deaths/1,000 population.