Thermo Electron HAAKE C10 Type 003-5007 Circulator Heater.  Missing the cap on the knob.  

This Thermo Electron HAAKE C10 Type 003-5007 Circulator Heater B is the perfect addition to any microbiological laboratory. Designed for precise temperature control, this water bath features a heated function and has been manufactured by Thermo Electron Corporation in Germany. Its intended use is for medical and lab equipment, making it a reliable choice for healthcare, lab, and dental professionals. With its top-of-the-line brand and model, this product is sure to meet your needs.