I was lucky enough to snag a copy of "Fashion Drawing for Advertising" by Patrick John Ireland, published by Halsted Press around 1970. It was used as a textbook for commercial art and illustration students in UK universities in the early 70s. Its filled with black and white ink drawings of very Biba-esque looking ladies in the latest fashions of late 60s- early 70s. Its such an inspiration to page through and definitely an amazing resource for any vintage illustration lovers. The author gives simplistic descriptions of simple line drawing techniques from the figure sketch to layout/composition to using various mediums to mimic clothing textures.
Here are some drawing tips from Ireland:
"Draw from life when possible, working with quick sketches, depicting the model from different angles, and using a free, loose line. The drawing could be developed depending on the effect required. When your work is beginning to become to rigid, sketch from lie and work out new technique, experimenting with new pens, brushes, crayons, paints and papers."
"The fashion artist is concerned with giving an interpretation of design created by a designer and the drawing should reflect the overall feeling. Observe the details of garments when sketching, making notes on the behaviour of different materials and the way in which they hang and fall into folds."
"Always study the texture of the material, noting the main effects of the pattern or weave. Suggesting the material may be more successful than going into too much detail."
"The mood or feeling of a particular fashion can be suggested by the pose and attitude of the figure on which you are illustrating the garment. The technique used has a strong influence on the feeling which the illustration will project."
"The presentation of your work should be considered with care; when producing a drawing the size of reproduction and the space allotted are vital considerations.... When working for a magazine, newspaper, or studio the artist would be directed and given advice as to the style of the drawing required and in what context it would be used."
The back of the book provides a handy glossary of terms from career positions in the commercial art world like Display Manager, Copy Writer, and Fashion Buyer, to material terminology like Cartridge pads, Herculene tracing film, Permatrace, Osmiroid fountain pens, Cow gum, and Copydex (some of which, very old-school, that I have no idea what they really are) .