Lot of 13 Vintage Kontes Laboratory Glassware

Description: Lot of 13 pieces of Vintage Kontes Laboratory Glassware - For Wet/Organic ChemistryMost of the pieces are marked Kontes, or are assumed to be Kontes. I assume these were made prior to Kimble's acquisition of Kontes in 1982 (not 100% sure about that). I also assume that these are borosilicate glass.I am no chemist and not familiar with lab glassware, but I will try to describe the pieces as best I can. They include the following:Large piece of unknown use or function. Large opening at bottom (top?). Three inlets/outlets with spherical O-ring connections. Female inlet/outlet size 9 (? estimate, not marked). Two male inlets/outlets size 25. Long closed-end tube protruding diagonally. No maker marks on this piece.Bell-shaped hollow stopper (?) that appears to fit into the larger piece. Spherical connection roughly 2.5" outside diameter. Solid glass tail section with small hole going through it. No maker marks on this piece.Kontes vacuum connector chase adapter with two O-ring connections size 15, one male one female. 180° vacuum connector with hi-vac valve. (same as Kimbal Airless-Ware Vacuum Connector, part No. DWK-211210-0015 which retails for about $200).Kontes vacuum connector chase adapter with three O-ring connections, two size 15, one male one female, and one size 9 male. Two 180° vacuum connectors with hi-vac valves.Kontes 8" long reducing tube connector with spherical O-ring connectors, one male (size 15) and one female (size 12). Female connector is at reduced end. Also marked "West-Glass Quality" inside a triangle mark (I'm not familiar with this mark). Long closed-end glass tube with size 15 female spherical connector. About 14 3/8" long. No maker marks (appears to be Kontes). Kontes open-end tube with size 25 female O-ring connector at one end. No connector at the other end. 4.5" long. Tube is about 1" diameter.Kontes open-end tube with size 25 male O-ring connector at one end. No connector at the other end. 4.75" long. Tube is about 1" diameter.Short closed-end tube connector. Size 15 female spherical O-ring connector. About 1.75" long. No makers mark, appears to be Kontes.Short closed-end tube connector. Size 8 or 9 female spherical O-ring connector. About 1.25" long. No makers mark, appears to be Kontes.Spherical joint clamp No. 18. Stainless steel pinch clamp for glass ball and socket or O-ring joints with screw-type locking nut. No makers mark.Pyrex Graduated Erlenmeyer Flask. 50 ml. No. 4980. Fits stopper No. 1. Made in U.S.A.Pyrex Graduated Beaker. 50 ml. No. 1000. Made in U.S.A.All pieces are in excellent condition. No chips, cracks or scratches. Vacuum connectors are in excellent condition with tight seals.

Price: 89.95 USD

Location: Placentia, California

End Time: 2024-09-15T18:17:48.000Z

Shipping Cost: 15.75 USD