Baffle for Benjamin 'Model B' Lightmeter. 1930-1950. Baffle for Benjamin 'Model B' Lightmeter 1930-1950
One perspex baffle plate for ICL 40 col Card Summary Punch, machine no.413/2554. Perspex baffle plate for ICL 40 col Card Summary Punch
Baffle for Benjamin 'Model B' Lightmeter. 1930-1950. Baffle for Benjamin 'Model B' Lightmeter 1930-1950