Brewster Type Stereoscopes (various)

three black leather and cloth covered Brewster type viewers, condition varies, (1) beautiful and rare stereoscope covered in black kidskin embossed with delicate ornaments, the frame of the groundglass is made of carved wood, the pads are ivory or bone, in wonderful condition, the original reflector is missing, (2) viewer made of cardboard, covered in black linen, embossed with a geometrical pattern, beautiful original condition, rare with no wear or damage, (3) stereoscope covered in black leather, the gilt decoration has been restored, otherwise in good condition.