Crova's apparatus was designed for the purpose of representing vibratory movements on the screen, with 8 disks. Turning the crank past a vertical slit caused the disks to rotate, while a beam of light from the optical system impinged on the slit...
Scientific apparatus and instruments; Optical instruments
The spherometer was used to measure the curvature of lenses. Physical Description: In mahogany case with sliding lid. Calibrated brass disk on three legs.
Scientific apparatus and instruments; Optical instruments
This device was used with a prism to demonstrate the seven colors of the specturm present in a beam of sunlight: red, orange, yellow, green, blue, indigo and violet. Physical Description: Seven movable mirrors, pivoted on brass holders, set in an...
Scientific apparatus and instruments; Camera lucida;
An artist's aid for drawing, the camera Lucida was a portable device that was used to reproduce visual images on to paper. An adjustable prism mounted on the end of a supporting arm reflects the surrounding light and produces the image onto the...
Scientific apparatus and instruments; Anamorphosis (visual perception)--Instruments
Described as one of many "Fine Optical Toys" in James W. Queen's Catalogue of Microscopes, Accessories and Sundries, 1890, the anamorphoscope mirror rectifies distorted drawings. Physical Description: Cylindrical mirror, black wooden top...
Scientific apparatus and instruments; Santa Clara University (Calif.); Anamorphosis (visual perception)--Instruments
Described as one of many ""Fine Optical Toys"" in James W. Queen's Catalogue of Microscopes, Accessories and Sundries, 1890, the anamorphoscope mirror rectifies distorted drawings.
Scientific apparatus and instruments; Santa Clara University (Calif.); Optical instruments
This device was used with a prism to demonstrate the seven colors of the specturm present in a beam of sunlight: red, orange, yellow, green, blue, indigo and violet.
