Offering an original Triumph factory instruction manual (No. 3), published in January 1960 by Triumph Engineering Co. Ltd. (Meriden, England). This manual covers the following iconic models:
• Twenty One (3TA)
• Speed Twin (5TA)
• Tiger 100 (T100A)

Contains detailed diagrams, technical instructions, and maintenance procedures — ideal for collectors, restorers, or classic motorcycle enthusiasts.

Condition:
Used vintage item. All pages intact, cover shows signs of wear and some water staining (see photos), but everything is readable and usable.