THE SHIELD ‘EVERYMAN’S MICROSCOPE’
A novel 120x magnification microscope so cheap every pupil in the class could have one.
Invented, patented, and brought into production and sale by John George Shield of Hastings in Sussex in 1960
THE SHIELD ‘EVERYMAN’S MICROSCOPE’
A novel 120x magnification microscope so cheap every pupil in the class could have one.
Invented, patented, and brought into production and sale by John George Shield of Hastings in Sussex in 1960