- Machinery's Triangle Chart No 10. 1960.
 - Machinery's Triangle Chart No 10. 1960.
 - Machinery's Triangle Chart No 10. 1960.
 - Machinery's Triangle Chart No 10. 1960.
 - Machinery's Triangle Chart No 10. 1960.
 - Machinery's Triangle Chart No 10. 1960.
 
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Machinery's Triangle Chart No 10. 1960.
 - £19.99