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Production continued until 1955
The seven artists sitting in the light of the rainbow include Joseph Farington
Bernd Rosemeyer and Ferdinand Porsche with Auto Union
standing with his right hand resting upon a chair back
Microscope and oxy-hydrogen lamp projector mb-code DCA_113126 Production continued until 1955Image of a flea being projected by 'Palmer's improved portable oxy hydrogen apparatus and microscope with prepared objects, complete.' The equipment is mounted on a wheeled trolley in front of a screen, gas being piped from storage bellows to the projector for illumination of the microscope slides. What appears to be a safety water pump is also shown, with a pointing stick. The complete apparatus sold for 35. Figure 274 (p. 61) from Palmer's new
