Telegrafverket brought out in 1953 using electrodynamic receiver (like tiny loudspeaker) this phone can be wall mounted as well as desk phone note also reverse dial numbering. Norwegian Swedish.
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https://www.youtube.com/watch?v=Fsxq2p-MAP0
These multimeter's were used by the GPO in the 70s and 80s. Well made by I think Salford Instruments a subsidiary of GEC.
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https://www.youtube.com/watch?v=3Gmp1bamuVQ
From Denmark we have Digital 2000 LST No 10 Kirk by Standard Electric Kirk this version is pulse with electronic calling.
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https://www.youtube.com/watch?v=zqsRJS4rz8A
These all came safely from Argentina, the lamps were for voltage regulation and must not be connected to the mains without a resister in series, or they could explode. These are very old.
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https://www.youtube.com/watch?v=ZslE0YN29hs