Trade literature making advertising claims, give instructions in using products, provide testimonials from satisfied customers, and include detailed descriptions of sale products. Trade catalogs first appeared in the 18th century, with the expansion in trade, commerce and consumption. The distinguished English cabinet maker, Thomas Chippendale published a book of his designs in 1754, entitled "The Gentleman and Cabinet Maker's Director" and regarded as the "first comprehensive trade catalogue of its kind". The designs were regarded as reflecting the current London fashion for furniture, and set the standard for his competitors in the market. Chippendale followed this up with a virtual reprint in
John McLean (furniture maker) as eight different variations of name spellings have been recorded, the problem arising because many people in those days were illiterate and names were written phonetically at the whim of whoever was writing the name at the time. The first appearance of the name 'McLean' can be found on the south side of Little Newport Street, Leicester Square in June 1770, where a "Jn. McLean" rented a "Ho & workshops" until 1783. A trade card for the Newport Street Address advertises that he was a "Cabinet, Chair Maker and Upholder". The rent of the Little Newport premises was valued at