Pattern 541 Navyphone: Difference between revisions
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[[File: | [[File:Pattern541Navyphone_TBD1914.jpg|thumb|200px|'''Pattern 541 Navyphone'''{{TorpDB1914|p. 268}}<br>Presumably, the little circle at upper right is the call-up button, but this was actually located on the left side.{{INF}} ]] | ||
The Royal Navy's '''Pattern 541 Navyphone''' was a refined little handset model suitable for use in cabins. It replaced the clumsy cabin model derived from the [[Pattern 210X Navyphones#Cabin Navyphone Version|Pattern 2108A Navyphone]] | The Royal Navy's '''Pattern 541 Navyphone''' was a refined little handset model suitable for use in cabins. It replaced the clumsy cabin model derived from the [[Pattern 210X Navyphones#Cabin Navyphone Version|Pattern 2108A Navyphone]]{{TorpDB1914|p. 268}} It was first used in [[H.M.S. Bellerophon (1907)|''Bellerophon'']],{{TorpDB1914|p. 271}} being introduced in 1909.{{ARTS1909|p. 70}} | ||
==Form Factor== | ==Form Factor== | ||
The case was oval-shaped and would be mounted on a bulkhead{{TorpDB1914|p. 271}} with its long axis vertical. It dimensions may have been about 130mm across and 200mm tall.<ref>comparing shorter dimension to those of the round models, e.g., [[Pattern 1855 Navyphone]]</ref> | |||
The case was oval-shaped and would be mounted on a bulkhead | |||
It featured a hemispherical bell on the front of the case and an angled handset with transmitter and receiver hung on a hook on the right hand side. The hook made the ringing circuit when the phone was hung up. The handset also featured a "speaking circuit break", which might mean a push-to-talk push or switch. | It featured a hemispherical bell on the front of the case and an angled handset with transmitter and receiver hung on a hook on the right hand side. The hook made the ringing circuit when the phone was hung up. The handset also featured a "speaking circuit break", which might mean a push-to-talk push or switch. | ||
A small circle on the diagram might be the call-up push button. | A small circle on the diagram might be the call-up push button.{{TorpDB1914|p. 268}} | ||
===Service Life=== | ===Service Life=== | ||
The phone was fairly short-lived, as the [[Pattern 2462 Navyphone]] was used in [[H.M.S. Orion (1910)|''Orion'']] in 1911 or so.{{TorpDB1914|p. 271}} | |||
The phone was fairly short-lived, as the [[Pattern 2462 Navyphone]] was used in [[H.M.S. Orion (1910)|''Orion'']] in 1911 or so | |||
==See Also== | ==See Also== | ||
| Line 23: | Line 21: | ||
==Bibliography== | ==Bibliography== | ||
{{refbegin}} | |||
*{{ | *{{TorpDB1914}} | ||
*{{ | *{{ARTS1909}} | ||
{{refend}} | |||
[[Category:Communications Equipment]] | [[Category:Communications Equipment]] | ||
[[Category:Shipboard Equipment]] | [[Category:Shipboard Equipment]] | ||
Latest revision as of 16:38, 24 July 2012
Pattern 541 Navyphone[1]
Presumably, the little circle at upper right is the call-up button, but this was actually located on the left side.[Inference]
Presumably, the little circle at upper right is the call-up button, but this was actually located on the left side.[Inference]
The Royal Navy's Pattern 541 Navyphone was a refined little handset model suitable for use in cabins. It replaced the clumsy cabin model derived from the Pattern 2108A Navyphone[2] It was first used in Bellerophon,[3] being introduced in 1909.[4]
Form Factor
The case was oval-shaped and would be mounted on a bulkhead[5] with its long axis vertical. It dimensions may have been about 130mm across and 200mm tall.[6]
It featured a hemispherical bell on the front of the case and an angled handset with transmitter and receiver hung on a hook on the right hand side. The hook made the ringing circuit when the phone was hung up. The handset also featured a "speaking circuit break", which might mean a push-to-talk push or switch.
A small circle on the diagram might be the call-up push button.[7]
Service Life
The phone was fairly short-lived, as the Pattern 2462 Navyphone was used in Orion in 1911 or so.[8]
See Also
Footnotes
- ↑ Torpedo Drill Book, 1914. p. 268.
- ↑ Torpedo Drill Book, 1914. p. 268.
- ↑ Torpedo Drill Book, 1914. p. 271.
- ↑ Annual Report of the Torpedo School, 1909. p. 70.
- ↑ Torpedo Drill Book, 1914. p. 271.
- ↑ comparing shorter dimension to those of the round models, e.g., Pattern 1855 Navyphone
- ↑ Torpedo Drill Book, 1914. p. 268.
- ↑ Torpedo Drill Book, 1914. p. 271.
Bibliography
- H.M.S.O., London (1914). Torpedo Drill Book, 1914 (Corrected to May 15) Copy in Tony Lovell's library.
- H.M.S. Vernon. Annual Report of the Torpedo School, 1909, with Appendix (Wireless Telegraphy). Copy 7 at The National Archives. ADM 189/29.
