from Tim P (UK). Does anyone know of a source of Instant film packs (UK or USA) for the C-series cameras ? Thanks.

from Tim P (UK); Re ageing components, I read somewhere (probably here) that Germanium transistors can grow 'whiskers' inside the case. It was suggested that these can be zapped with a high voltage (N

from Tim P (UK) from e-buy: 281725157061 Usual disclaimer !

from Tim P (UK) I saw the two 'specials' on Christian's website - the ZIG-T is interesting in that ultra-high impedance amplifiers have application in Cell Physiology for use with micro-electrodes. I'

from Tim P (UK) Also a nice shot of the IBM 7090 computer (another fixation of mine is early computing 'big-iron') Was that the NASA machine ? regards. Tim

from Tim P (UK) Could someone explain the procedure for testing the quality of BNC connectors using TDR please ? I have a 7S12 + S6 + S52. Do I need a Tek precision 50 Ohm cable? I have plenty of GR87

from Tim P (UK) I have a DC505A which appears to have a shorted power rail somewhere. It blew the main fuse in a TM501. I cannot get into it as it is so tightly packed, with the power components being

from Tim P (UK) Aha !! The manual for the 5111 storage 'scope specifies a turn-on procedure for an instrument that has not been used for a while (2 wks) or from new. With power OFF, Upper and lower st

from Tim P (UK) sorry for the OT - are there Ya-groups for Gould electronics and Grass physiological instrumentation ? How could I search the Yahoo group site for keywords like this ? many thanks Tim

from Tim P (UK) this is what I meant (I posted same long ago; Craig, you are right !) https://www.flickr.com/photos/brookhavenlab/8495993808

from Tim P(UK) sorry, everyone - I meant Brookhaven Labs. The link got lost . The AGS control room had about 30 teks, lots of 555s. I'll try and find the link.

from Tim P (UK) many thanks to all who replied - I have two 3B3s; I found the one that has the mod. on pin 18.

from Tim P (UK) 3L5 SpecAnal manual has it that low s# timebase units (3B3, 3B4) need a mod 040-0413-01 to provide sweep to the plug-in. I read that as meaning the timebase unit itself, not the mainfr

from Tim P (UK) During a clean-up of my 'may-come-in-useful' parts bins, I have a few sets of a kit containing a 15 ohm resistor and a pair of incandescent bulbs marked CM386. Any ideas what this is f

from Tim P (UK) Many thanks to all who responded - I downloaded the suggestions. The info regarding crimping dies is also extremely useful. Tim

from Tim P (UK) OT question: I vaguely remember seeing a document that showed the cable prep for varous RF connectors - how far to strip the sleeving and braiding, center conductor etc. for BNC, MB, a

from Tim P (UK) I have just acquired a 5116 (+ 5D10) and a 5223 - nice scopes and great fun to play with, but, I was wondering, why were these instruments created ? What was the thinking behind them ?