More to explore:
Dark buttons by Kingyo Xie
Google 閱讀器 (667)
well can't say much about this but it's a detail isn't it? If not for the yellow it would go in the black collection.
Player & Screen Button UI by Chris Farina via Dribbble
Switch by Delacro
Dribbble - Button by Jørn-Tore Sande
Dribbble - Segmented Yes/No Button by Sam Borstadt
Creative Ui Bits #interactive #dribbble
Dribbble - Adjust Controls by MVBen
Exquisite Artsy Illustrations by Patricio Betteo
Starred & Checked Action Buttons by Brendon Manwaring at Dribbble
Dribbble - Toggles, Buttons and Sliders UI Redux by Michael Donovan
small user interface set from Braun products made during the 60' mostly. huge credit to D.Rams a living legend.