Burner Stand
Four piece science class burner stand. (A) - burner stand, (B) - test tube clamp, (C) - ring or beaker holder clamp, (D) - vertical support rod arm for stand. (A) Slightly raised, outlined, corners longer. Enamel paint. (D) Rounded tip steel? rod stands up in middle of one end, screwed in bottom hole, 18 inches high, 1/4 inch diameter. (B) Lower test tube clamp of two parts. Silvery cast iron clamp attached to rod with turn key screw with decorative diamond logo. Turn screw mid way along clamp to steel? double fingers, with wing nut spring loaded screw. Fingers curved to hold test tube. (C) Upper clamp is ring or beaker holder of black cast iron, with new turn key screw on rod. Different logo. Black paint along part of mid shaft portion. "3" on underside, "5503-3."