Two close-ups from the previous photo:

The wheel, and behind it, the binnacle. Jack Hudock notes that the two fluted cyliners are the lamps for illuminating the compass card.

binnacle and wheel
Close up view of wheel and binnacle. From the collection of George Perley Morse, CO of submarine chaser SC 227. Thanks to E. M. Atwood for submitting the collection to The Subchaser Archives.

A rare view -- possibly the only one in The Subchaser Archives -- of the engine telegraph on a chaser.

engine telegraph
Close-up of the engine telegraph. From the collection of George Perley Morse, CO of submarine chaser SC 227. Thanks to E. M. Atwood for submitting the collection to The Subchaser Archives.