*Printed on cover top to bottom in dark blue: "INSTRUCTION SHEET AND OPERATOR'S MANUAL / WESTERN UNION / STANDARD / Radio-Telegraph Signal Set / BLINKER/ BUZZER/ SOUNDER/ WESTERN UNION Blanks Enclosed / 3 Types of Apparatus in 1 / IT BUZZES ! As used in Wireless / IT FLASHES ! As Used in Night Signalling / IT CLICKS ! As Used in Telegraph Transmissions / Made only by / S. B. MFG. CO. / 34-34th STREET / BUSH TERMINAL BLDG. NO.6 / BROOKLYN 32, N.Y. / Made in U.S.A"
*There are pencil markings on front page and back page, most are just letters, however on back is one sentence "Hello Joe"