Large photogrammetric plotting machine by Barr and Stroud, c. 1928
Main frame, three small lenses fitted to metal arms, five metal brackets, one metal disc, two wooden units and two small mechanical components, for the Barr and Stroud photogrammetric plotter machine c.1928.
Two lenses, one bifocal eyepiece attachment, one wooden cabinet and a small wooden box for the Barr and Stroud photogrammetric plotter c.1928.
Switch unit for the left and right projector lamps, section of frame, two tubs containing nuts and bolts, three small metal plates, three metal brackets, two metal discs and a thin metal wire sealed in plastic, for the Barr and Stroud photogrammetric plotter machine c.1928.
Twenty-nine weights of varying sizes and shapes, two metal plates, ten small mechanical components and a small turning handle for the Barr and Stroud photogrammetric plotter c.1928.
Frame components, electrical piping, an angled board and a parallel movement, for the Barr and Stroud photogrammetric plotter machine c.1928.
