Engraving. A View of the Apparatus and part of the Great Cylinder in the Pantheon. M.A. Rooker del. ; Engrav'd by J. Basire. n.d. [1778-1780?]. Platemark 19.7x25cm on sheet 25.7x31.5cm. Scene of Benjamin Wilson's cylinder electrostatic generator with huge [lightning] conductors. In frame 37x41x1.5cm