Reflection of sound waves. Sondhaus lens. Antique illustration. 1883.
Schlüsselwörter
of,
sound,
wave,
lens,
experiment,
science,
scientist,
heard,
1883,
19th century,
aged,
antiquated,
antique,
antiquity,
archaic,
art,
artistic,
black-and-white,
century,
classic,
contrasted,
curious,
cut-out,
to paint,
detail,
disused,
document,
draw,
drawing,
drawing,
epoch,
fashioned,
feature,
figure,
graphical,
historic,
historical,
history,
illustration,
illustration,
illustrative,
ink,
legend,
monochromatic,
monochrome,
monotone
Deutsch
