Reconstructions based on late 19th-century naval architecture and the Erwin_22 "Full Interior" model detail several key operational and passenger spaces:

Contained the boilers used to generate steam power. SS Titus (1898) Full Interior

Mechanical room at the bow for managing the ship's heavy anchors. and the Solomon Islands.

A central social area for passengers to take meals. SS Titus (1898) Full Interior

It operated on a circuitous route between Sydney, Norfolk Island, Port Vila, and the Solomon Islands.