Electric keyboard heard on "I Am the Walrus"

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Pianet \Pi"a*net`\, n. [Cf. Pie magpie.] (Zo["o]l.) The magpie. [Written also pianate , and pyenate .] The lesser woodpecker. [Obs.] --Bailey.

Wikipedia Word definitions in Wikipedia
The Pianet is a type of electro-mechanical piano built by the Hohner company of Trossingen , West Germany from the early 1960s to the early 1980s. The designer of the early Pianet models was Ernst Zacharias , basing the mechanism closely on a 1920s design ...

Wiktionary Word definitions in Wiktionary
n. 1 (context obsolete English) The magpie. 2 (context obsolete English) The lesser woodpecker.