The lever appears to be a very simple object, a tool used since ancient times for the most primitive of tasks: to lift and to balance. Why, then, were prominent
The lever appears to be a very simple object, a tool used since ancient times for the most primitive of tasks: to lift and to balance. Why, then, were prominent
By reprinting in facsimile primary texts on eighteenth-century midwifery and childbirth, this comprehensive twelve-volume collection gives readers a much deeper