Marvin George Ryder

Or three spurs, rowels upward, Azure;

The spurs are a reference to the name Ryder (i.e., rider). They also relate directly to the motto.

Encircled by a chain of six large links each joined to the next by three small links, a spur, rowel upward, Azure;

The spur repeats the symbol of the arms. The chain is derived from the arms of the recently-amalgamated City of Hamilton, symbolizing the unity of the six joining communities. Mr. Ryder was Chairman of the Transition Board that oversaw the formation of the new city.