“ John W. Martyn, executive assistant, Office of the Secretary of War, may be classified as administrative assistant and chief clerk in the War Department. Mr. Martyn, having served in the excepted positions of private secretary to the Secretary of War and executive assistant for nearly ten years, having had extended service in the legislative branch and considerable service in classified positions in a temporary capacity on the basis of examinations passed by him, and having been reached for certification during temporary employment, appears to be qualified for the appointment proposed ”