helium gas cylinder and balloon isolated on white background - helium stock pictures, royalty-free photos & images
house flys away up in the air thanks to helium balloons - helium stock pictures, royalty-free photos & images
icon of helium periodic table of elements with crystal system background - helium stock illustrations
Screen in the JET Main Control Room displays a helium plasma from the helium C43 campaign at the UK Atomic Energy Authority , where the Joint...
Worker at a membrane element testing stand of a unit for helium concentrate extraction at the Gazprom PJSC Chayandinskoye oil, gas and condensate...
Photogravure after a painting or photograph of Sir William Ramsay . Ramsay was professor of Chemistry in Bristol and at University College London ....
Sir William Ramsay , the Scottish chemist, used this hand-held direct-vision spectroscope to observe the faint spectra of inert gases such as helium,...
Lockyer was a notable British astronomer who, in 1866, was one of the first to make a spectroscopic examination of sunspots and, in 1868, he applied...
On the Job: Margaret Curtis, meteorologist for the National Weather Service, inflates a weather balloon with helium. Balloons are launched from NWS...
The world's largest helium balloon is partially inflated 16 September in the Kennedy Space Center's Vehicle Assembly Building to check for a possible...
old chromolithograph illustration of astronomy - sun shadows throughout the season - different times of the year - helium stock pictures, royalty-free photos & images
old chromolithograph illustration of astronomy - sun shadows throughout the season - different times of the year - helium stock pictures, royalty-free photos & images
vibrant color 3d render. abstract liquid spheres floating on white background - helium stock pictures, royalty-free photos & images
low angle view of red balloons flying against sky,kish island,kish,iran - helium stock pictures, royalty-free photos & images
Specimens of premixed saline solution designed to mimic the a COVID-19 vaccine are seen on the top of a prototype of Cryo-Vacc, an ultra-cold...
chinese woman being lifted in field by bouquet of pink balloons - helium stock pictures, royalty-free photos & images
five colorful balloons in a row at beach against blue sky - helium stock pictures, royalty-free photos & images
low angle view of balloons flying against blue sky - helium stock pictures, royalty-free photos & images
Helium tanks in front of the helium testing lab at the North American Helium Inc. Purification plant in Battle Creek, Saskatchewan, Canada, on...
stylish metallic multicoloured balloons for birthday party on a white background. - helium stock pictures, royalty-free photos & images
nitrogen containers inside an industrial building - helium stock pictures, royalty-free photos & images
colorful balloons flying away in blue sky. wedding ceremony. - helium stock pictures, royalty-free photos & images
gold balloon numbers 1-10 (+clipping paths, xxl) - helium stock pictures, royalty-free photos & images
silver balloon numbers 1-10 (+clipping paths, xxl) - helium stock pictures, royalty-free photos & images
colorful balloons flying away in blue sky. wedding ceremony. - helium stock pictures, royalty-free photos & images
colorful balloons flying away in blue sky. wedding ceremony. - helium stock pictures, royalty-free photos & images
colorful balloons flying away in blue sky. wedding ceremony. - helium stock pictures, royalty-free photos & images
rainbow colored floating balloons with streamers isolated on white - helium stock pictures, royalty-free photos & images
turquoise colored balloon with curled ribbon against white - helium stock pictures, royalty-free photos & images