The 2 photos below are from “Modern Engineering Practice, A Reference Library” (1905), “Wireless Telegraphy” chapter by A. Frederick Collins:
![](https://www.sowp.org/wp-content/uploads/2019/04/LR-0004131902-Fessenden-Station-1024x688.jpg)
Note Washington Monument at Left
The following 2 photos are from “Wireless Telegraphy and Telephony Popularly Explained” by Massie and Underwood (1909):