This an antique and extremely rare Siemens Brothers & Co. Made in London during the end of XIX century or beginning of XX century. I did not test it, however needle moves freely into coil, so it may works. Very good original condition considering its age. A really museum piece for demanding collectors.
Measures: 30 centimeters (wide) X 22 centimeters (depth) X 15 centimeters (tall). If you have any question, please do not hesitate to contact me. Thank you for your visit. The item "ANTIQUE 1900 VERY RARE SIEMENS BROTHERS RAILROAD TELEGRAPH MORSE TESTER KEY SEE" is in sale since Thursday, December 2, 2021.
This item is in the category "Consumer Electronics\Radio Communication\Parts & Accessories\Code Keyers & Keys". The seller is "rarityland" and is located in Capital Federal. This item can be shipped worldwide.