N1EA sending fast on bug, I was surprised I could send that fast on bug, I can't do that now!
Edison Cylinder recording of a spark Morse Code aircheck about 1910,
NW6V on a straight key,
Thorn Mayes, W6AX recordings.
Thorn Mayes, (b. 1903, d. 1987), W6AX, W9AX, 6BDQ, 6AX, K6BI, K2CE, and W1CX (SK)
My friend Thorn Mayes, W6AX (SK) along with two of my other friends, Art Goodnow, W1DM (SK) and Bob Merriam, W1NTE (SK) (curator of the New England Wireless and Steam Museum in Rhode Island) wrote a excellent book on the early days of Wireless which is sold at the NEWSM Museum.
Thorn Mayes W6VX

RECORDINGS of Lectures: Thorn also gave many lectures on early wireless, some of which have been preserved:
https://archive.org/search.php? query=creator%3A%22Thorn+Mayes%22
OOTC listing:
Thorn L. Mayes, W6AX, Ex-W9AX, Ex-6BDQ, 6AX, K6BI, K2CE, W1CX. Handle "Thorn". Born April 19, 1903. First 2- way wireless contact 1921. Retired Manager-Engineering- General Electric Co., Indiana Heating. 1921-23 operated 6BDQ and 6AX Coalinga High School Rig. Graduated from Univ. of California 1927 BSEE. 1949 obtained call K6BI used G09 xmtr Oakland. 1949 K2CE using TDE-2 xmtr from Schenectady. 1950-52 call W1CX using TDE-2 from Marblehead. 1952-56 call W9AX from Fort Wayne. 1958-63 W9AX using DX-100 from Shelby-ville, Indiana. Is collecting antique gear (prior to 1922), books and magazines. Has built spark set, experimenting with Tesla coils. Member IEEE-ASME-OOTC-AWA-SOWP-QCWA and ARRL.
73
DR