Item typeObjectPhysical materialGlassCopper AlloyInventory No69672DescriptionGlass tube with copper alloy ends. There is a tap with a copper alloy screw on one end.Related ItemsMore related itemsGlass Tube Open Both EndsInventory Number 10208Glass Retort with Brass Stopcock Tap, by Knight, London, c. 1810Inventory Number 48108Brass Valve-Tap and small FunnelInventory Number 16049Brass Rod with Wick, in Glass Tube In Black CaseInventory Number 46407