And you thought fans were tedious to maintain

[fivemack]

Yesterday was Becky's birthday; usually this is celebrated with something disproportionately energetic in a forest near Thetford, but this year we went here:

and saw things like

The splendid bit of brass here is the device for automatically oiling the worm-gear which transfers rotation from the main drive-shafts to one of the twelve time-multiplexed sets of Enigma rotors in a bombe; a single bombe wardrobe contains thirty-six of these hollow brass pentapodes, and by the end of the war Dollis Hill was producing six bombes a week.

Comments

[bugshaw.livejournal.com]

Mmm, shiny. And clever. Those engineers think of everything.