Thermo IEC 4-Position Swing Rotor With Two 15ml & Two 50ml Tubes & Trunnions

Description

Thermo IEC centrifuge rotor with tubes and trunnions, used, in excellent condition and sold with an unconditional 30-day warranty.
This came from a local university, and includes parts from several rotor sets:
The rotor was manufactured in March 1989
The 50ml shields and trunnions are a matched set, manufactured in June 1990.
The 15ml shields and trunnions were manufactured in 1987, and the combined weights are off by 0.3g if they are paired appropriately (152.5g yoke + 38.6g tube = 191.1g total, and 151g yoke + 39.8g tube = 190.8g)
Neither set of tubes has rubber/padding in the bottom
Includes:
Model 215 4-position Swing Rotor manufactured 3/89
Two #303 shields for 15ml tubes, weights are 38.6g and 39.8g (no dates)
Two #355 Yokes, each can hold up to three 15ml tubes (152.5g and 151g, both 4/87)
Two #305 shields for 50ml tubes, each weighs 73.5g (no dates)
Two #325 yokes, each holds one 50ml tube (each 117.5g, both 6/90)