Ronald's electronic project site edit / delete

Nixie clocks, power supplies for them, and a variety of Philips-related material -- including some neat 19th-century photos of Philips staff.

to display electronics history nixie philips psu retrotech valve ... on 27 December 2009

Derived Logic edit / delete

Homebrew electronics and computing, with some nice pictures, but a bit light on technical detail.

to clock electronics nixie retrotech z80 ... on 29 July 2009

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