Improvements in Railway Signalling Apparatus

13,242. Cremona, M. O. June 8. Switches, electro-magnetic. A relay for use in railway signalling consists of a polarized electromagnet 13 pivoted between the poles of permanent magnets and maintained in a central position by adjustable springs. The pivoted magnet, according to its position, connects...

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Bibliographic Details
Main Author MARIO ORAZIO CREMONA
Format Patent
LanguageEnglish
Published 07.03.1907
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Summary:13,242. Cremona, M. O. June 8. Switches, electro-magnetic. A relay for use in railway signalling consists of a polarized electromagnet 13 pivoted between the poles of permanent magnets and maintained in a central position by adjustable springs. The pivoted magnet, according to its position, connects lamps 80, 81, 82 in circuit, and at the same time operates a pointer 19 through toothed gearing.
Bibliography:Application Number: GBD190613242