Autoplex (Electromagnetic predecessor)
1902-1905
(The Gil Schlehman - K9WDY Collection)

Double Lever (Independent key levers)
1907-1926
(The www.w1tp.com Telegraph Museum)
(Restored by WR Smith - W4PAL)

Model X (Single contact Bug)
1911-1923
(The www.w1tp.com Telegraph Museum)
(Restored by WR Smith - W4PAL)

No. 4 (Blue Racer)
1914-1966

Upright (Vertical Bug)
1917-1919
(The www.w1tp.com Telegraph Museum)

Midget (Martin's smallest Bug)
1918-1920
(The Gil Schlehman - K9WDY Collection)
Martin Junior (Small Original)
1921-1939

No. 6 (Lightning Bug)
1927-1979
Parts List (PDF) |
Machine Drawing (PDF)
For information about Adjustments, see
ORIGINAL BUG page
Vibroplex
® Zephyr (Small Champion)
1939-1958 |