If you are business minded, a nurse that makes house calls may be the business opportunity for you. In fact, this is historically how most nurses practiced until the 1940s. It is an area with huge growth potential.
Smell is chemistry, and the chemistry of old books gives your cherished tomes their scent. As a book ages, the chemical compounds usedâthe glue, the paper, the inkâbegin to break down. And, as they do, they release volatile compoundsâthe source of the smell. A common smell of old books, says the International League for Antiquarian Booksellers, is a hint of vanilla: âLignin, which is present in all wood-based paper, is closely related to vanillin. As it breaks down, the lignin grants old books that faint vanilla scent.â
acidity is one of the most important causes of damage in paper as it weakens and eventually destroys the fibres that make up the paper as a result paper made from groundwood pulp breaks down rapidly from within the first sign of this is that the paper becomes yellow then brown and increasingly brittle for example newspapers are made from groundwood pulp and the acids in the paper cause it to discolour and become brittle breakdown of the newspaper from within speeds up with exposure to light and or high humidity