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The keys are presented in sequential order according to their patent
number.
You may use the 'search' feature of your browser (edit/find-on-this-page)
to find dates, names, and words in the descriptions or you may scroll down
the page reading the descriptive titles of the patents or the captions below
each patent.
0732648 1903 Martin Telegraphic Transmitter.jpg
0764815 1904 Miller Telegraphic Transmitter.jpg
0767303 1904 Martin Telegraphic Transmitter.jpg
0812183 1906 Coffe Telegraph Key.jpg
0837413 1906 Leiser Telegraph Transmitter.jpg
0853556 1907 Leiser Telegraph Transmitter.jpg
0855085 1907 Bellows Telegraph Key.jpg
0863810 1907 Smith Telegraph Key.jpg
0864950 1907 Carter Telegraph Transmitter.jpg
0874602 1907 Kinney Telegraph Key.jpg
0876391 1908 Patterson Telegraphic Key.jpg
0877914 1908 Delany Telegraphic Transmitter.jpg
0877915 1908 Delany Telegraphic Transmitter.jpg
0879711 1908 Williams Mitchell Hathaway Telegraphic Transmitter.jpg
0884381 1908 Haling Telegraphic Transmitter.jpg
0886755 1908 Bellows Behner Telegraph Instrument.jpg
0893115 1908 Vail Automatic Vibrator for Telegraph Keys.jpg
0912029 1909 Putt Telegraphic Key or Transmitter.jpg
0913183 1909 Alderson Telegraph Transmitting Machine.jpg
0916538 1909 DeTray Telegraph Key.jpg
0918294 1909 Delany Autodot Transmitter.jpg
0920034 1909 Dinger Telegraphic Transmitter.jpg
0923033 1909 Dunn Telegraph Transmitter.jpg
0925925 1909 Leiser Telegraph Transmitter.jpg
0926162 1909 Achgill Transmitting Device for Telegraph Operator.jpg
0933726 1909 Smith DeWitt Conkling Telegraph Key.jpg
0935164 1909 Perry Telegraph Key.jpg
0939383 1909 Bellows Telegraph Transmitter.jpg
0939507 1909 Hulit Telegraph Sending Machine.jpg
0947224 1910 Delany Telegraphic Transmitter.jpg
0954298 1910 Jackson Telegraph Instrument.jpg
0977452 1910 Jones Telegraph Sending machine.jpg
0981845 1911 Delany Telegraphy.jpg
0982638 1911 Smith Telegraphic Dot Transmitter.jpg
0989576 1911 Delany Telegraphy.jpg
1012906 1911 Perry Telegraph Key.jpg
1017054 1912 Hulit Telegraph Sending Machine.jpg
1019883 1912 Cox Kidwell Telegraph Transmitter.jpg
1025471 1912 Jones Telegraph Transmitter.jpg
1031752 1912 Welty Telegraph Transmitter.jpg
1036443 1912 Buquoi Telegraph Key.jpg
1039410 1912 Jernigan Telegraphic Instrument.jpg
1042457 1912 Martin Electric Telegraphic Apparatus.jpg
1043449 1912 Martin Electric Telegraphic Apparatus.jpg
1049066 1912 Engle Telegraph Instrument.jpg
1059529 1913 Dow Telegraph Transmitter.jpg
1071267 1913 Shaw Telegraphic Transmitter [1].jpg
1071267 1913 Shaw Telegraphic Transmitter [2].jpg
1071267 1913 Shaw Telegraphic Transmitter [3].jpg
1071267 1913 Shaw Telegraphic Transmitter [4.jpg
1071267 1913 Shaw Telegraphic Transmitter [5].jpg
1071267 1913 Shaw Telegraphic Transmitter [6].jpg
1074831 1913 Boulter Telegraph Key.jpg
1098959 1914 Moore Telegraph Transmitter.jpg
1100357 1914 Delany Telegraphic Transmitter.jpg
1109310 1914 Youmans Telegraph Key.jpg
1109411 1914 Gale Telegraphic Transmitter.jpg
1109818 1914 Boulter Telegraph Key.jpg
1110373 1914 Boulter Telegraph Key.jpg
1124119 1915 Emrick Telegraph Instrument.jpg
1127855 1915 Bell Telegraph Key.jpg
1140151 1915 Ghegan Telegraphic Instrument.jpg
1168696 1916 Abernethy Telegraphic Transmiting Device.jpg
1170796 1916 Boulter Electromagnetic Telegraph Key.jpg
1173702 1916 Bell Telegraph Transmitter.jpg
1177778 1916 Kennedy Telegraph Sending Machine.jpg
1178291 1916 Boulter Telegraph Key.jpg
1189546 1916 Dingerl Telegraphic Sending Machine.jpg
1190259 1916 Allen Telegraph Key.jpg
1190625 1916 Boyd Telegraph Key.jpg
1192270 1916 Boyd Telegraph Key.jpg
1224187 1917 Mahoney Telegraphic Transmitter.jpg
1233774 1917 Gwinn Telegraph Key.jpg
1260008 1918 Martin Telegraphic Sending Machine.jpg
1276617 1918 Breen Morse Transmitter.jpg
1304025 1919 Cozad Telegraph Sending Machine.jpg
1324104 1919 Culver Telegraphers Instrument.jpg
1332951 1920 Purman Transmitter.jpg
1338497 1920 Dunn Telegraph Instrument.jpg
1436541 1922 Shelton Telegraph Instrument.jpg
1437237 1922 Glaser Telegraphic Signal Transmitter.jpg
1438107 1922 Gruetter Telegraph Transmitter Attachment.jpg
1445226 1923 Martin Semiautomatic Telegraphic Sending Machine.jpg
1483669 1924 Lytle Telegraphic Instrument.jpg
1543609 1925 McIntosh Semiautomatic Telegraph Transmitter.jpg
1547079 1925 Suber Handle.jpg
1555210 1925 Hulit Telegraph Sending Instrument.jpg
1555211 1925 Hulit Telegraph Sending Instrument.jpg
1557155 1925 Ghegan Telegraph Instrument.jpg
1618007 1927 Hesselbach Telegraph Key.jpg
1627819 1927 Youngblood Telegraph Transmitter.jpg
1640541 1927 Fluharty Telegraph Transmitter.jpg
1657095 1928 Senobe Telegraph Transmitter.jpg
1742296 1930 Youngblood Telegraph Transmitter.jpg
1742297 1930 Youngblood Telegraph Transmitter.jpg
1759584 1930 McElroy Telegraphic Transmitter.jpg
1928967 1933 Gilbert Telegraph Apparatus.jpg
1960236 1934 Emery Telegraph Key.jpg
2143067 1939 Hart Telegraph Key [1].jpg
2143067 1939 Hart Telegraph Key [2].jpg
2143067 1939 Hart Telegraph Key [3].jpg
2143067 1939 Hart Telegraph Key [4].jpg
2143067 1939 Hart Telegraph Key [5].jpg
2143067 1939 Hart Telegraph Key [6].jpg
2143067 1939 Hart Telegraph Key [7].jpg
2148028 1939 Martin Telegraphic Transmitter.jpg
2187351 1940 LaHiff Telegraph Sending Machine.jpg
2222448 1940 Starkins Telegraph Sending Unit.jpg
2228469 1941 Martin Semiautomatic Telegraphic Sending Machine.jpg
2228470 1941 Martin Semiautomatic Telegraphic Sending Machine.jpg
2290982 1942 Mayorquin Telegraph Signal Automatic Manipulator.jpg
2295389 1942 Dickinson Balanced Semiautomatic Transmitting Key.jpg
2302290 1942 Breedlove Telegraph Signal Formulating Mechanism.jpg
2303734 1942 Garceau Key for Communication Systems.jpg
2307480 1943 Ashe Telegraph Key.jpg
2323133 1943 Heatherly Telegraphic Transmitter.jpg
2325631 1943 Pinelli Radio Speed Key.jpg
2329531 1943 Hanson Telegraph Transmitter.jpg
2373132 1945 MacAdam Telegraph Key.jpg
2425457 1947 Breedlove Electromag Oprtd Pendulum Tgph Key.jpg
2437497 1948 Bartlett Automatic Telegraph Key.jpg
2475257 1949 Schaeffer Telegraph Key.jpg
2481091 1949 Dow Telegraphic Instrument.jpg
2495377 1950 Mayorquin Duplex Tgph Sig Auto Manipulator.jpg
2517538 1950 Beecher Electronic Keying Device.jpg
2526001 1950 Breedlove Transmitter.jpg
3041397 1962 Ricks Telegraphic Keyer.jpg
NOTE: GIL SCHLEHMAN IS ALWAYS INTERESTED IN TRADING AND/OR BUYING VERY UNUSUAL TELEGRAPH KEYS !
Contact Information:
Gil Schlehman - K9WDY
Telephone: (630) 968-2320
Also Please Visit: The W1TP telegraph Museum at
http://w1tp.com ARTIFAX BOOKS
http://www.artifaxbooks.com
Email: artifaxbooks@yahoo.com
337 Indianapolis Avenue
Downer's Grove, IL 60515
Email: K9WDY@qsl.net
This CD as well as Perera's Telegraph Collectors Price Guidebook, Perera's
Telegraph Collectors Reference CD-2000, and many other telegraph
books are available from:
151 Barton Road.
Stow, MA 01754