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1 volume, 96 pages

Journal 'The Post Office Electrical Engineers’, Vol 3 Part 1

1 volume; 132 pages

Catalogue ‘Telegraph Apparatus and Accessories’

2 copies, 40 pages

Journal entitled 'The Telegraph Chronicle and Civil Service Recorder', issue 2

1 volume; 103 pages

Catalogue 'Telegraph Apparatus’, No 4

1 sheet

Advertising poster for Vyle’s telegrapher sounder entitled 'Wherever Telegraph Men foregather'

1 item

Advertising poster for Vyle’s polarised polechanger entitled 'Wherever Telegraph Men foregather'

1 volume; 12 pages

Catalogue ‘Vyle’s direct reading polarised sounder’, No 79

1 volume; 132 pages

Catalogue ‘Telegraph Apparatus and Accessories’, No 39