Custom-home-icon.png source=PhET author=Yuen-ying Carpenter
Custom-navbar-icon.png source=PhET author=Yuen-ying Carpenter
dropper_background.png author=PhET notes=copied from beers-law-lab
dropper_foreground.png author=PhET notes=copied from beers-law-lab
Macro-home-icon.png source=PhET author=Yuen-ying Carpenter
Macro-navbar-icon.png source=PhET author=Yuen-ying Carpenter
Micro-home-icon.png source=PhET author=Yuen-ying Carpenter
Micro-navbar-icon.png source=PhET author=Yuen-ying Carpenter
pH-meter-probe.png author=PhET notes=copied from beers-law-lab