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Explore stories in Northwest history through highlights from MOHAI’s collections. Search by keyword below or browse the entire online collection by entering the asterisk symbol (*). Filter your search by type of materials.

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11 results for: Telecommunications

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Image of Western Electric 1-B Transmitter Microphone used by KOMO radio, 1927-30

Western Electric 1-B Transmitter Microphone used by KOMO radio, 1927-30

KOMO radio was founded in 1926 by Birt F. Fisher and O.D. Fisher of Fisher Flouring Mills (no relation between these Fishers). It replaced Seattle radio station KTCL whose lease was expiring. The first broadcast was on December 31, 1926, and the next year the studio moved to downtown Seattle. Today, KOMO 1000 AM and 97.7 FM is primarily an…
ID Number:1954.745.9
Date:Circa 1925
Image of Dubilier Wireless Telephone, 1910

Dubilier Wireless Telephone, 1910

On June 21, 1909, at the Alaska-Yukon-Pacific Exposition (AYPE), inventor William Dubilier amazed fairgoers with his wireless telephone. The device used a capacitor, and was surprisingly small—two advances that had a big impact on radio technology in years to come.
ID Number:1968.4479.1
Date:1910
Image of The

The "Wonderphone," made in Seattle by Universal High Power Telephone Co., ca. 1917

The Universal High Power Telephone Company operated in Seattle from about 1910-1933. The company produced the "Wonderphone," a specialized, high-power carbon microphone designed for early wireless arc transmitters and improved telephone line transmission. It featured a larger transmitter than the standard at the time, offering superior modulation capabilities for early radio and telephony. The Wonderphone was developed to overcome the…
ID Number:1968.4479.3a
Date:Circa 1917
Image of The

The "Wonderphone," made in Seattle by Universal High Power Telephone Co., ca. 1917

The Universal High Power Telephone Company operated in Seattle from about 1910-1933. The company produced the "Wonderphone," a specialized, high-power carbon microphone designed for early wireless arc transmitters and improved telephone line transmission. It featured a larger transmitter than the standard at the time, offering superior modulation capabilities for early radio and telephony. The Wonderphone was developed to overcome the…
ID Number:1968.4479.3b
Date:Circa 1917
Image of High-powered industrial telephone used by Seattle City Light, 1916

High-powered industrial telephone used by Seattle City Light, 1916

The amplifier on this telephone was invented in Seattle by P.J. Hackett and produced by the Universal High Power Telephone Company. Hackett was an assistant to William Dubilier who created the first successful wireless telephone in 1910. After Dubilier left Seattle, Hackett continued to work on microphones and amplifiers that could handle the heavy currents of radio and landline telephones…
ID Number:1972.5366.1
Date:1916
Image of First Windows Mobile Phone,

First Windows Mobile Phone, "Sagem WA 3050 Pocket PC Phone," 2001

This early mobile phone and Pocket PC (Personal Computer), released in 2001, is part of a collection donated by a Microsoft employee who worked at the software company from 1999 to 2004. Microsoft would develop the software and prototype devices and then work with a manufacturing company, like Sagem, to build the phones. The Sagem WA 3050 was one of…
ID Number:2018.99.5
Date:2001
Image of Prototype Windows Mobile Pocket PC Phone, ca. 2003

Prototype Windows Mobile Pocket PC Phone, ca. 2003

This prototype, developed in 2003, is part of a collection donated by a Microsoft employee who worked at the software company from 1999 to 2004. Microsoft would develop the software and prototype devices and then work with a manufacturing company to build the phones. This prototype features a hard plastic detachable keyboard sleeve that attaches to the bottom of the…
ID Number:2018.99.6
Date:2003
Image of Prototype Windows Mobile Pocket PC Phone, ca. 2003

Prototype Windows Mobile Pocket PC Phone, ca. 2003

This prototype, developed in 2003, is part of a collection donated by a Microsoft employee who worked at the software company from 1999 to 2004. Microsoft would develop the software and prototype devices and then work with a manufacturing company to build the phones.
ID Number:2018.99.7
Date:2003
Image of Windows Mobile Smartphone, ca. 2003

Windows Mobile Smartphone, ca. 2003

This early Smartphone, developed in 2003, is part of a collection donated by a Microsoft employee who worked at the software company from 1999 to 2004. Microsoft would develop the software and prototype devices and then work with a manufacturing company to build the phones. This was Microsoft's first Smartphone and was only used by employees.
ID Number:2018.99.8
Date:2003
Image of Rayfoto Recorder invented by Austin Cooley, ca. 1927

Rayfoto Recorder invented by Austin Cooley, ca. 1927

Austin Cooley (1900-1993) invented the Rayfoto (or radio photograph) in 1927. Cooley was born in Seattle and experimented in radio technology early on, even installing the first radio station in a small town in Alaska at the age of 16 before attending the Massachusetts Institute of Technology (MIT) as a college student. The Rayfoto radio picture receiver was, essentially, the…
ID Number:2022.24.1
Date:Circa 1927
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