[Varley]

No PMG - MPT General plus a bit of proper teach'd stuff from Saudi Shields rather later. I thought triangles were your metier: either fuel, oxygen and heat or suck, squeeze, bang.

Light bulbs can be interesting too. Why, for instance, did the breaking open circuit of the filament often lead to the operation of the short circuit protection? (I only think I know the answer and haven't seen it writ by the ancients of our order.

I don 't know that Overtuk was any better at finding something useful for us to do with those new 'tools' with which supersparkdome had endowed us. The essential one (not always a feature of other other mothers) was an appreciation of reactive power. Not so necessary, perhaps, for geeking with Ametek doppler logs or Hokushin loggers (the latter only if leckie permitted). It was more an education of what could be done with the few enthusiasts of the brethren when in a position to do the doing.