[]
Your ongoing selection
Asset(s) Assets
Your quote 0

Your selection

Clear selection
{"event":"pageview","page_type1":"catalog","page_type2":"image_page","language":"en","user_logged":"false","user_type":"ecommerce","nl_subscriber":"false"}
{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"EVB7066135","item_brand":"other","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"electrical_engineer_brent_daniel_demonstrates_his_portable_super_heterodyne_radio_in_1925_he_was_abl","item_variant":"undefined"}]}}
Metadata Block (Hidden)

Contact us for further help

High res file dimension

Search for more high res images or videos

Electrical engineer, Brent Daniel, demonstrates his portable Super-Heterodyne radio. In 1925 he was able to...

IMAGE number
EVB7066135
Image title
Electrical engineer, Brent Daniel, demonstrates his portable Super-Heterodyne radio. In 1925 he was able to receive Pacific Coast stations 3000 miles away. Build in carrying case, the radio has 2 super heterodyne receivers, 7 vacuum tubes, multiple large batteries, a loop antenna, and speaker
Auto-translated text View Original Source
Medium
photograph
Date
1925 AD (C20th AD)
Image description

Electrical engineer, Brent Daniel, demonstrates his portable Super-Heterodyne radio. In 1925 he was able to receive Pacific Coast stations 3000 miles away. Build in carrying case, the radio has 2 super heterodyne receivers, 7 vacuum tubes, multiple large batteries, a loop antenna, and speaker (BSLOC_2018_4_92)

Photo credit
Everett Collection / Bridgeman Images
Image keywords
20th century / North America / America (continent) / 1920s / communication / USA / history / man / invention / physics / science / one person / black and white / photo / seated / standing
Leave the work to our dedicated Account Managers
License details
Your details
*
*
*
*
*
Asset - General information
Copyright status
No Additional Copyright
Permissions
More info
Permission required for non-editorial use (inc book and magazine covers). Please contact us
Usage restrictions from our Content Partners
Not available to clients invoiced in Japan
Largest available format 3000 × 2508 px 1 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB]
Large 3000 × 2508 px 254 × 212 mm 777 KB
Medium 1024 × 856 px 87 × 72 mm 374 KB

Similar Images