Telegraph block instrument; Walker's, 1855, Stockton & Darlington Railway, No 216, type introduced by Mr C V Walker on the South Eastern Railway. (No.161 of 1866) Lock and Block with double semaphore-arm block-indicators on vertical wooden post with top-mounted block-dome/striker. There are 3 plates attached: "SDR No 162" (enamel); "Walker's Semaphore Block Instrument.1855....." (ivorine); "Walkers' Patent.." (enamel). This has a significantly shorter case than the SER examples.
- Signalling & Telecommunications
- Object Number:
- telegraph instrument
- British Rail, Clapham
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