Significance
Yields information about the development of the wheel profiles in Ballarat and other SEC tramways.
Physical description
Set of research notes - A4 sheets, titled "SEC wheel tyre - some historical notes", prepared 10/4/2005.
Comprises:
1. Two page of notes, including references, giving SEC profiles, MMTB profile, Tyres before conforming to Geelong practices and tyre as conforming to Geelong tramway's practice.
2. Email between Warrington Cameron and Warren Doubleday dated 10/4/2005
3. Email between C. Tooke and K. Smith dated 15/3/2005
4. SEC drawing VW4/? - Tramway Tyres - copied from MMTB drawings
5. MMTB drawing R2624A
6. SEC drawing 7515/6 - Maximum Traction Tyre, 22E, 33" driver wheel tyre.