If you click on Captain Dow's name on the right you will be taken to a website run by Mr.Michael Dow who is his Grandson.
Mr Dow has researched his Dow Family tree which by the looks of it, took a good deal of his time.

Masters

In order of appointment:

Captain James Watt. Maiden voyage to 1908. 

Captain William Thomas Turner
.
Nov. 1908 to 1912.

Captain James T. Charles.

1912 to 1913.

Captain Daniel Dow. Aug

1913 to 1915.

Reappointed - Captain William Thomas Turner

1915.