Colchester Colchester TORNADO Types 220 and 220M. A huge, detailed 985-page Operation Manual, Programming, Parts Manual as Sectional Drawings and Electrical Schematics. Bound in four volumes.
Colchester Colchester TORNADO Types A50, A90, 120M, 220 and 220M Very large, individual manuals are available for these models and can be ordered under the following codes:.