Vintage Technology: Valve Ephemera

(or tubes if you are American) have recently been an area of interest to me.  The period this site spans is from the 1930's to the 1960's; a huge range of design styles and printing capabilities are encompassed in the examination of such simple artefacts.  By their very nature, the valve boxes, advertisements and catalogues were disposable, making them fleeting ephemera of days gone by.  I have grouped the material by brand rather than company as over the years many of the brands were bought, merged and died.

Hold your mouse over the box panels to see the side number that is referred to in the text.