Here is a patented 1868 Atterbury Filley stand oil lamp with the patented 1868 screw on connector. Patent date also appears on bottom of font. Show on Thuro I p. 144 and on p. 147 with a milk glass base in an old catalogue. Great condition, clean clear, no cracks just one tiny nip on the underside of the base, not seen when lamp is on a table. Sold with an old pearl top chimney and a Venus no. 1 burner. Measures 7.5" H to top of collar.