[]
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":"XLA3770728","item_brand":"other","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"thermionic_valve_1920","item_variant":"undefined"}]}}
Metadata Block (Hidden)

Contact us for further help

High res file dimension

Search for more high res images or videos

Thermionic valve 1920 -

IMAGE number
XLA3770728
Image title
Thermionic valve 1920 -
Auto-translated text View Original Source
Image description

Thermionic valve, 1920-drawing of the valve, resulting from Sir Ambrose Fleming 's invention of 1904, that revolutionised wireless telephony. Fleming: 29 November 1849-18 April 1945.

Photo credit
Lebrecht Authors / Bridgeman Images
Image keywords
scientist / science / discovery / thermionic / drawing / technology / early 20th century / social history / wireless / twenties / invention / valve / telephony / inventions / physicist / radio

Add to cart

Contact us for other Usage Options

Pay for usage you need
Highest quality images
Personal products
Personal Prints, Cards, Gifts, Reference. Not for commercial use, not for public display, not for resale. Eg: Put this image on a mug or as a single print for oneself or a present for someone.
$25.00
Personal website or social media
Use in a presentation. All languages, 3 years. Personal presentation use or non-commercial, non-public use within a company or organization only.
$50.00
Corporate website, social media or presentation/talk
Use on a company website, in a company social media post/page/blog, in an app or in a corporate presentation (internal or external). Not for advertising or collateral. All languages, 3 years.
$190.00
Editorial (Books, magazines and newspaper) - standard
Print and/or digital. Single use, any size, inside only. Single language only. Single territory rights for trade books; worldwide rights for academic books. Print run up to 1500. 7 years. (excludes advertising) eg:Illustrate the inside of a book or magazine with a print run of 1,000 units
$100.00
Editorial (Books, magazines and newspaper) - extended
Print and/or digital. Single use, any size, inside only. Single language only. Single territory rights for trade books; worldwide rights for academic books. Print run up to 5000. 7 years. (excludes advertising) eg: Illustrate the inside of a book or magazine with a print run of 5,000 units
$175.00
Do you need support?
Asset - General information
Copyright status
Undetermined copyright
Image Restrictions
Content within this photograph may require additional clearances (eg: trademark and personality rights) depending on Licensee's specific use of material, which may include book and magazine cover use.
Largest available format 2869 × 4399 px 2 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB] Online Purchase
Large 2869 × 4399 px 243 × 372 mm 2.4 MB
Medium 668 × 1024 px 57 × 87 mm 1.1 MB

Similar Images