Scientific Optical Diagrams
Randal did a series of scientific illustrations for Dr. John Delly, scientific advisor to the McCrone company in Westmont, Illinois. This diagram of a Biaxial Indicatrix was used in a training manual for lab technicians to learn how to identify optical light...
Buick Automotive Cutaway
Randal created this technical line illustration of the side view of a Buick automobile to illustrate a computer-controlled automotive fuel system. The work was commissioned by a Chicago area ad agency in the...
Tugboat Isometric Cutaway
Randal Birkey completed this isometric line drawing of a tugboat as a part of a series of illustrations for a ship and barge manufacturing company. This cutaway reveals the bulkheads and inner structure of the...