DTA Lantern Slide Library. Slide taken from an unidentified publication, showing a photograph of hand drawn plans, elevation and a section of a screening device.
DTA Lantern Slide Library. Slide taken from an unidentified publication, showing a photograph of hand drawn plans, elevation and a section of a screening device.
DTA Lantern Slide Library. Slide taken from an unidentified publication, showing a photograph of hand drawn plans, elevation and a section of a screening device.
