Spider silk spinning field, the spinneret apparatus of an adult "Araneus diadematus" (garden cross spider) consists of the glands shown below. Similar multiple gland architecture exists in the black widow spider. In order to artificially synthesise spider silk into fibres, there are two broad areas that must be covered. These are synthesis of the feedstock (the unspun silk dope in spiders), and synthesis of the spinning conditions (the funnel, valve, tapering duct, and spigot). There have been a number of different approaches. The molecular structure of unspun silk is both complex and extremely long. Though this endows the silk fibres with their
The Covent-Garden Journal Advertiser" that the first number would be issued on 23 November 1751. The release was delayed until January because of work related to the publication of "Amelia". At the time of the publication of the journal, Covent Garden, although formally associated with the theatre industry, was more widely known as London's red light district. Fielding had earlier written "The Covent Garden Tragedy", a mock-tragic play concerning the tale of two prostitutes. The first number of the periodical was published on 4 January 1752, and sold at a price of three pence. For most of its run, the journal was issued