Name the builder for date built is january 1910
CREATE TABLE "table1_1748444_1" (
  "number" text,
  "builder" text,
  "type" text,
  "date_built" text,
  "heritage" text,
  "disposition" text,
  "notes" text
);
SELECT "builder" FROM "table1_1748444_1" WHERE "date_built"='January 1910';