Helium posters & prints

Early Helium Air Ship over Spectators Anonymous

Pierre Janssen and Joseph Norman Lockyer, French and English astronomers, 1868 Unknown

Bunch Of Multi Colored Balloons Against A Blue Sky Anonymous

Medal commemorating Pierre Janssen and Norman Lockyer, French and English astronomers, 1868 Unknown

Sir William Crookes (1832-1919), English chemist and physicist Anonymous

Bunch Of Multi Colored Balloons Against A Blue Sky Anonymous

Solar flare on the Sun Anonymous

Cryostat for COBE satellite, 1989, USA Unknown

Solar flare on the Sun Anonymous

Bunch Of Multicolored Balloons In Blue Sky With White Clouds Anonymous

Sun, 2017 Jane Tattersfield

Page 268. Helichrysum diosmifolium/Ozothamnus diosmifolius, c.1803-06 John William Lewin

Astraea heliotropium Anonymous

Astraea heliotropium Anonymous

Helius Eobanus Hessus, 1534 Hans Brosamer

Heliostat and other Instruments. Dubosq-Soleil C.M. Ferrier & F. von Martens

Filling a balloon with hydrogen gas Bertault

Inula Helenium Elecampane Anonymous

View of the Heliocaminus at Hadrian's Villa, Tivoli Giovanni Battista Piranesi

Bee on Helenium Philip Smith

Campanula Trachelium Nettle-Leaved Bell-Flower Anonymous

Heliogabalus Anonymous

Rambutan (Nephelium lappaceum) Berthe Hoola Van Nooten

Campanula Trachelium, c.1700 French School

Galium Saxatile Heath Bedstraw Anonymous

Helios Riding Horse Led Chariot Anonymous

White Cerithium Shell Anonymous

A Council of War on Board H.M.S. Helicon Anonymous

Heliconia Growing Among Tropical Ferns Anonymous

Page 257. Galium sp., c.1803-06 John William Lewin

Helix Nebula Anonymous

Helianthus Annuus Nicolas Robert

Red Heliconia Flowers Anonymous

Heliconia Nickeriensis flower on Maui Anonymous

Helius Eobanus Hessus, 1526 Albrecht Dürer or Duerer

Galium Saxatile; Heath Bedstraw Anonymous