Tyer's One-Wire Three Indication Block Instrument
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LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
License
Science Museum Group
© The Board of Trustees of the Science Museum
Block-instrument: Tyer's 2-needle (Down / Up Lines)
Science Museum Group
© The Board of Trustees of the Science Museum
Block-instrument: Tyer's 2-needle (Down / Up Lines)
Science Museum Group
© The Board of Trustees of the Science Museum
Block-instrument: Tyer's 2-needle (Down / Up Lines)
Science Museum Group
© The Board of Trustees of the Science Museum
Block-instrument: Tyer's 2-needle (Down / Up Lines), 3-position absolute (pegging / non-pegging) with rotary-sequence commutator (pattern 2004) and plunger release, door-lock key present, no dome / striker.
Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 1964-330/38
- type:
- block instrument
- credit:
- Tyer and Company Limited
