But I never had any grudge against him because he was so able in his line, and as long as my part was successful the money with me was a secondary consideration.

When Gould got the Western Union I knew no further progress in telegraphy was possible, and I went into other lines."* * Quoted in Dyer and Martin.

"Edison", vol.1, p.

164.
In fact, however, the need of money forced Edison later on to resume his work for the Western Union Telegraph Company, both in telegraphy and telephony.

His connection with the telephone is told in another volume of this series.* He invented a carbon transmitter and sold it to the Western Union for one hundred thousand dollars, payable in seventeen annual installments of six thousand dollars.