Simpson Model 465 Series 3 DMM - 'Perchance it is not dead but sleepeth’ - #096

A Simpson Model 465 Series 3 Digital Multimeter.

‘Perchance it is not dead but sleepeth’
(A line from a card on a wreath left at Barnstable Town station in 1935, the day after the closure of the Lynton and Barnstable Railway – A much loved British narrow gauge line.)
See : https://www.lynton-rail.co.uk/lynton-barnstaple-railway-trust

A chance EBay purchase, have I just got an expensive case and some parts, or can we bring this thing back to life?

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Use coupon code LE10 and help support the channel!

Lab equipment
Oscilloscope (Analog) – Hameg HM 307
https://youtu.be/TCYLMDqf8c4
Oscilloscope (Digital) – Siglent SDS 1104X-E
https://www.telonic.co.uk/SIGLENT-SDS1104X-E-Super-Phosphor-Oscilloscope-p/sds1104x-e.htm
Function Generator – Siglent SDG 1032X
https://www.telonic.co.uk/SIGLENT-SDG1032X-Function-Generator-p/sdg1032x.htm
Signal Generator – Rapid Electronics 85-1200
https://youtu.be/SuyP9ZOJ0PM
Spectrum Analyser – Siglent SSA 3021X Plus
https://www.telonic.co.uk/SIGLENT-SSA3021X-PLUS-Spectrum-Analyser-p/ssa3021x-plus.htm
Bench Multimeter – East Tester ET3240
http://www.easttester.com/a/Product_introduction/Precise_Digit_Multimeter/2018/0611/123.html
LCR Meter – RuoShui 4090C
http://victorruoshui.com/productinfo/105228.html