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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 descriptions at the top of the patents or on the
caption under each patent.
0021329 1858 Farmer Duplex Telegraph.jpg
0028274 1860 Holcomb Telegraph Relay Instrument.jpg
0032510 1861 Burd Telegraph Relay Instrument.jpg
0035694 1862 Lake Telegraph Keys.jpg
0038530 1863 Bain Telegraph Key.jpg
0069984 1867 Franz Telegraph Key.jpg
0091955 1869 McElroy Telegraph Key Attachment.jpg
0092285 1869 Davis Telegraph Key.jpg
0093728 1869 McElroy Telegraph Key.jpg
0094556 1869 Bowers Telegraph Key.jpg
0095014 1869 Frey Telegraph Key.jpg
0096090 1869 Durant Telegraph Apparatus.jpg
0120662 1872 OSullivan Telegraph Key.jpg
0130793 1872 Davis Improvement in telegraph Keys.jpg
0131306 1872 Shearer Improvement in Vertical Telegraph Keys.jpg
0132815 1872 Decker Improvement in Telegraph Key.jpg
0136875 1883 Stearns Duplex Telegraph Keys.jpg
0144274 1873 Hochhausen Self closing Telegraph Key.jpg
0144730 1873 Billings Stockly Telegraph Keys.jpg
0152199 1874 Walker Telegraph Keys.jpg
0152356 1874 Foote Randall Telegraph Keys.jpg
0166876 1876 Hussey Compound Telegraph Key.jpg
0177856 1876 Lewis Telegraph Keys.jpg
0178433 1876 Greene Telegraph Key.jpg
0180669 1876 Southard Self Closing Telegraph Keys.jpg
0180839 1876 Byrns Telegraph Key.jpg
0184251 1876 Lundberg Leahy Elect Sig App and Key.jpg
0201089 1878 Blake Telegraph Keys.jpg
0215093 1879 Buzby Telegraph Key and Switch.jpg
0228111 1880 Phillips Telegraph Key .jpg
0230911 1880 Witmer Telegraph Keys.jpg
0232007 1880 Delany Telegraph Key.jpg
0237808 1881 Bunnell Telegraphic Key.jpg
0238932 1881 Leggo Telegraph Key.jpg
0239723 1881 Cain Telegraph keys.jpg
0241293 1881 Bunnell Telegraphic Key.jpg
0245947 1881 Goodyear Telegraph Key.jpg
0246811 1881 Peterman Telegraph Key.jpg
0248270 1881 Bain Telegraph Key.jpg
0250594 1881 Stabler Telegraph Key.jpg
0250753 1881 Prentice Beckwith Telegraph Key.jpg
0252346 1882 Athern Pole Changing Key.jpg
0256645 1882 Cumming Telegraph Key.jpg
0256646 1882 Cumming Brinkerhoff Telegraphic Electrode.jpg
0258825 1882 Timmerman Circuit Closer for Telegraph Keys.jpg
0260449 1882 Burn Telegraph Key.jpg
0264348 1882 Shaw Pole Changing Key.jpg
0267878 1882 Guthrie Telegraph key.jpg
0269321 1882 Prosch Telegraph Key.jpg
0269521 1882 Hamilton Electric Telegraph Transmitter.jpg
0275433 1883 Stevens Telegraph Key.jpg
0284508 1883 Spurgeon Auto Ckt Closer for Tgph Keys.jpg
0288609 1883 Anderson Telegraph Key.jpg
0293105 1884 Spurgeon Circuit Closer for Telegraph Keys.jpg
0293979 1884 Plumb Telegraph key.jpg
0294259 1884 Neifing Cuircuit Closer for Telegraphic Instruments.jpg
0297819 1884 Lewis Telegraph Key.jpg
0303956 1884 Stoneburner Kasper Auto Ckt Closer for Tgph Keys.jpg
0306977 1884 Vander Weyde Telegraphy.jpg
0307836 1884 Borchers Telegraph Key.jpg
0315368 1885 Woods Apparatus for Trans Msgs by Electricity.jpg
0315426 1885 Ludwig Rheotrope or Current Reversing Key.jpg
0320504 1885 Root Circuit Closer.jpg
0322023 1885 Thompson Auto Ckt Closer for Tgph Keys.jpg
0329398 1885 Leggo Circuit Controller.jpg
0329399 1885 Leggo Circuit Controller.jpg
0330037 1885 McCambridge Automatic Circuit Closer.jpg
0331148 1885 McArthur Auto Ckt Closer for Tgph keys.jpg
0335605 1886 McNeal Automatic Circuit Closer for Telegraph Keys.jpg
0336653 1886 Maloney Johnson Convertible Telegraph Key.jpg
0339909 1886 Maloney Convertible Telegraph Key.jpg
0340134 1886 Macready Electric Telegraph Key.jpg
0343469 1886 Maloney Convertible Telegraph key.jpg
0343742 1886 Thommpson Key for Telegraph Instruments.jpg
0346930 1886 Macready Telegraphic Key.jpg
0351485 1886 Biggs Telegraph key.jpg
0351834 1886 Jenkins Telegraph Key.jpg
0366400 1887 Keating Telegraph Key.jpg
0368342 1887 Kunhardt telegraph Key.jpg
0372155 1887 Lane Telegraph Key and Sounder.jpg
0373152 1887 Oakes Telegraph Key.jpg
0377862 1888 Oehmen Combined Telegraph Key and Sounder.jpg
0378332 1888 Melbourne Telegraph Key and Instrument.jpg
0379063 1888 Hamilton Telegraph key.jpg
0379368 1886 Copeland Telegraph Pen.jpg
0380310 1888 Borland Telegraph key.jpg
0384350 1888 Doggett Combined Telegraph Key and Sounder.jpg
0394697 1888 Jamieson Telegraphy.jpg
0406489 1889 Waldo Telegraph key.jpg
0411770 1889 Tebbs Lane Coombs Telegraph Key.jpg
0413848 1889 Crull Telegraph Key.jpg
0426941 1890 Kleber Telegraph Key.jpg
0427876 1890 Kaylor Telegraph key.jpg
0433835 1890 VanDeusen Telegraph Key.jpg
0437510 1890 Purdy Telegraph Key.jpg
0438530 1890 Crockett Dedrick Telegraph Key.jpg
0439959 1890 Kohrn Telegraph Key.jpg
0445442 1891 Doggett Telegraph Key.jpg
0455320 1891 Green Telegraph Key.jpg
0456110 1891 Brown Automatic Circuit Closer for Telegraph Keys.jpg
0464897 1891 Robare Telegraph Key.jpg
0479859 1892 Tucker Telegraph Key.jpg
0480475 1892 McClaren telegraph Key.jpg
0480689 1892 Bradford Auto Ckt Closer for Tgph Keys.jpg
0481114 1892 Lott Combined Telegraph Key and Circuit Closer.jpg
0486051 1892 Maret DeGraff Telegraph Sounder.jpg
0504754 1893 Rudd Electric Measuring Apparatus.jpg
0508214 1893 Frank Telegraph Key.jpg
0509964 1893 Steiner Telegraph Key.jpg
0511787 1894 Moss Self Closing Telegraph Key.jpg
0526965 1894 Cox Combined Telegraph Key and Sounder.jpg
0528345 1894 Sebring Telegraph Key.jpg
0530082 1894 Bliss Telegraph Key.jpg
538651 1895 Bradford Telegraph Key.jpg
0545532 1895 Philbrook Telegraph Key.jpg
0548969 1895 Dickinson Telegraph Instrument.jpg
0553106 1896 Coleman Automatic Closing Telegraphic Key.jpg
0554112 1896 Deats Telegraph Key.jpg
0556670 1896 Grace Block Signal Telegraph.jpg
0558617 1896 Simons Telegraph Key.jpg
0568103 1896 Runkle telegraph Instrument.jpg
0581135 1887 Porter Telegraph Key.jpg
0591624 1897 Farnham Telegraph Key.jpg
0604770 1898 Lieb Pneumatic Attachment for Telegraph Keys.jpg
0611919 1898 Lewis Telegraph Key.jpg
0619410 1899 Hendricks Telegraph Key Attachment.jpg
0637290 1899 Scheffler Walls Telegraph Instrument Key.jpg
0644448 1900 Nye McIntosh Circuit Closer for Telegraph Keys.jpg
0649994 1900 Ritchie Automatic Circuit Closing Telegraph key.jpg
0650109 1900 Marconi Apparatus Employed in Wireless Telegraphy.jpg
0673449 1901 Raab Telegraph Key.jpg
0685301 1901 Shirley Skirrow Telegraph Key.jpg
0689426 1901 Shirley Portable Telegraph Key.jpg
0707312 1902 Folsom Automatic Circuit Closer for Telegraph Keys.jpg
0714299 1902 Greule Button For Telegraphers Keys etc.jpg
0721084 1903 Oxlade Audible Electrical telegraphy.jpg
0723253 1903 Duncan Telegraph Key.jpg
0724628 1903 Thorpe telegraph Key.jpg
0725214 1903 Bunker Telegraph Instrument.jpg
0725215 1903 Bunker Telegraph Key.jpg
0744575 1903 Levi Miniature Telegraphic Instrument.jpg
0749178 1904 DeForest Wireless Signalling Apparatus.jpg
0753690 1904 Falcone Electric Telegraph Apparatus.jpg
0760132 1904 Leech Circuit Closer.jpg
0763082 1904 Trotier Telegraph Transmitter.jpg
0770549 1904 Zundel Key Frame.jpg
0770628 1904 Dean Interchangeable Telegraphic Key.jpg
0772893 1904 Lawrence Attachment for Telegraph Keys.jpg
0776160 1904 Wood Telegraph Key.jpg
0776536 1904 McKinsey Nelson Self Closing Telegraph Key.jpg
0776985 1904 Barbosa Combinational Telegaph Instrument.jpg
0778067 1904 Pearson Telegraphic Key.jpg
0791103 1905 McAdams Telegraph Key and Switch.jpg
0797612 1905 Schermerhorn Telegraph Key.jpg
0805735 1905 Lefley Rear End Contact Telegraph Key.jpg
0808777 1906 Peterman Telegraph Key.jpg
0815809 1906 Ghegan Telegraph Key.jpg
0824031 1906 Kitsee Telegraphic Transmitting Key.jpg
0826403 1906 Campbell Telegraph Key.jpg
0830253 1906 Sheets Telegraph Key.jpg
0836454 1906 McConihay Telegraph Key.jpg
0844278 1907 Ghegan Telegraph Key.jpg
0868621 1907 Zelenka Telegraphic Instrument.jpg
0874602 1907 Kinney Telegraph Key.jpg
0883062 1908 Teachworth Strain Relief Attach for Tgph Keys.jpg
0900238 1908 Tucker Telegraph Key.jpg
0916727 1909 Leef Telegraph Key.jpg
0925737 1909 Wilson Telegraph Key.jpg
0932019 1909 Hulit Telegraph Key.jpg
0949593 1910 McKenzie Automatic Circuit Closer.jpg
0965417 1910 Slemmer Telegraph Instrument.jpg
0971572 1910 Slemmer Telegraph Key.jpg
0987107 1911 Bolick Telegraph Key.jpg
1002735 1911 Motz Hatfield Automatic Telegraph Key Closer.jpg
1007527 1911 Carpenter Telegraph System.jpg
1017398 1912 Folsom Telegraph Key.jpg
1048849 1912 Mobley Wireless Break Key.jpg
1058598 1913 Kelty Telegraphers Key Button Cushion.jpg
1059988 1913 Garretson Combined Auto Sender Tgph Key.jpg
1064819 1913 Dauphinais Telegraph key.jpg
1093100 1914 Beach Multiple Key.jpg
1099912 1914 Brittin Telegraph Key.jpg
1163210 1915 Banholzer Mechanical Sounder for Telegraph Systems.jpg
1200004 1916 Meeker Telegraph Key.jpg
1202179 1916 Ghegan Morse Transmitting Key.jpg
1232548 1917 Holmes Coupling Tgph Trans and Sending Key.jpg
1238937 1917 Perry Signaling Device.jpg
1242051 1917 Scollard Combine Tgph Key & Spring Jack Switch.jpg
1242470 1917 Peterson Huebel Telegraph Key.jpg
1264465 1918 White Auto Ckt Closer Attachmnt for Tgph Keys.jpg
1265887 1918 DeAlcala Telegraph Key.jpg
1274519 1918 Delany Telegraphy.jpg
1274520 1918 Delany Telegraphy.jpg
1302401 1919 Mason Telegraph Key.jpg
1341810 1920 Liles Telegraph Key.jpg
1346540 1920 Gray Signaling Apparatus.jpg
1419460 1922 Lowenstein Combined Key and Switch.jpg
1449985 1923 Ghegan Auxiliary Device for Telegraph Keys.jpg
1464952 1923 McNicol Typewriter Attachment for Telegraph Systems.jpg
1483444 1924 Hoey Telegraph Key.jpg
1565360 1925 Hallborg High Speed Signaling Key.jpg
1575650 1926 Shanck Telegraph Key.jpg
1581173 1926 Cannam Telegraph Transmitter.jpg
1589709 1926 Lowenstein Apparatus for Mkg & Brkg Elect Ckts.jpg
1597827 1926 Rosenbaum Key of a Switch.jpg
1660173 1928 McLachlan Telegraphic Sending Key.jpg
1773325 1930 Steeneck telegraph Key.jpg
1855910 1932 Fisher Code Signal Apparatus.jpg
1964916 1934 Heintz Telegraph key.jpg
2209506 1940 Bonorden Telegraph Transmitting Key.jpg
2230105 1941 Crosby Telegraph key.jpg
2232535 1941 Junken Waterproof telegraph Key.jpg
2350481 1944 Tromholt telegraph Key.jpg
2459027 1949 Hayman Telegraph Key.jpg
2548835 1951 Wassell Telegraph Key.jpg
2594071 1952 Reverchon Code Signal Transmission System.jpg
3098898 1963 Jakosky Telegraph Key.jpg
3160705 1964 Stout Telegraph Sending Key.jpg
3166638 1965 Hills Code Sending Key.jpg
3293363 1966 Pfeiffer Telegraph Key.jpg
3387088 1968 Stout Telegraph Single Key.jpg
3431354 1969 Temple Adapter for Semiautomatic Radiotelegraph Key.jpg
3588340 1971 Clover Paddle Key.jpg
3757045 1973 Brown Twin Lever Radio Telegraph Key Unit.jpg
3985185 1976 Pierce Tiller Combination.jpg
5773769 1998 Raymond Twin Lever Key & Horizontal Finger Pads.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