Butterworth, N. A. ... [et al.] (eds) Interpreting drawings, specifications and data / by Butterworth, N. A. ... [et al.] (eds). - Cheltenham : Stam Press City and Guilds of London Institute, 1986. - 128pages : illustrations (some coloured) : - (Technology of skilled processes) . ISBN: 0859730174 Subjects--Topical Terms: Drawing--Interpretation.Blueprints.Mechanical drawing.Drawing--Interpretation.Blueprints.Mechanical drawing.