Brass Drip Oiler For Steam or Hit & Miss Engine The D. Williams Valve Company Cin. Ohio Topaz #6 Total of about 8 inches long. Glass is 4.25 inches long Rebuilt and ready for use. The item “Brass Drip Oiler For Steam or Hit & Miss Engine The D. T. Williams Valve Company” is in sale since Tuesday, December 30, 2014. This item is in the category “Business & Industrial\Heavy Equipment Parts & Accs\Antique & Vintage Equip Parts”. The seller is “2775karla” and is located in West Sunbury, Pennsylvania. This item can be shipped to United States.