transport mediums. At the start of the work, Straus sets the stage by discussing the origins of the wheel and early methods of transportation, including sledges. He explains how the discovery of the wheel transformed the way humans transported goods and people, marking a significant evolution in both technological and social contexts. The opening portion highlights the simplicity of early vehicles, with examples from various cultures, and begins to paint a picture of how these innovations laid the groundwork for the intricate and ornate carriages that would follow in centuries to come. This foundational context establishes both the engineering and historical significance of carriages as they evolved through different eras. (This is an automatically generated summary.)