Bygonebytes

Introduction

I have built up a small collection of test equipment over the years and some items I think have turned out to be 'classics' of their day..
Click picture for larger image.








Fob watch voltmeter, There are no manufacturer markings to identify its origin but I guess it started out in the 1920's. The meter measures 0 to 6V DC.





JT Pocket Meter, c1920-30's. It has a dual scale, 0-12V and 0-120V DC.
Box.





Pifco 'All In One' Multimeter, c1920-30's. A true multimeter having five ranges - Lo tension, Hi tension, Milli-amps, Valve and Circuit test.
Box, meter & packaging, the back, the insides, and the instructions.





AVO Multiminor, C1930-1980.
Multiminor with leads, and the insides.









AVO 8 mk V, 1972 - 1989.
AVO 8 in its case and servicing information.














Microtest 80, 1984.













AVO EM272 Multimeter, 1972 - 1979.
The insides, and the instructions.













C1000 Multimeter, c1970.
Instructions.












Fluke 79 Series II, 1991 - 1996.
In its holster.and the instructions.






Evershed & Vignoles Megger, c1943.
More information can be found at Richards Radios
















Mastertech M-830B, c2009.

















Digitec DT-4000ZB, 2013.
Instructions.










Isotech IDM17, c2009.










Philips PM3217 Oscilloscope, c1982.










Philips PM3311 4 Channel Storage Oscilloscope, c1982.




















Fluke 196 Scopemeter, c2001.














Metropolitan-Vickers Exposure Meter, c1938-1947.










Stag PP41 EPROM Programmer, c1989.









Stag PP39 EPROM Programmer, This one 1991








Stag PP39 Personality Modules, These modules 1991










Stag EPROM Eraser, c1991










Tektronix TM504 module with DM502A-Digital Multimeter,
DC503-100MHz Frequency Counter and a PG501-50MHz Pulse
Generator, c1980



















Tektronix TM501 module with PS503A-Triple Power Supply, c1980












One of my own builds, adapted from ETI project 111 Jan 1973 -
0-15V/1A Power Supply. This one has added volt/current meters,
volt/current range switches and up to 30V/1.5A range. c1977















One of my own builds, adapted from ETI project 111 Jan 1973 -
0-15V/1A Power Supply. This one has added volt/current meters,
voltage range switch and up to 30V/3A range. c1978


















One of my own builds, adapted from ETI project 111 Jan 1973 -
0-15V/1A Power Supply. Built c2005 and added digital volt/current
meters c2014, Range up to 30V/2A.



















Bringing my bench PSu's into the 21st century, from top to
bottom: 5V with usb, +/-5V +/-12v and 3V3, +/-15V and 0 to 48V
variable all 2A, c2017