Alert! Due to lack of funds, Spectral Workbench will go offline on August 31, 2022. Read more.

jwalter (14 spectra and 0 sets) | RSS | Public Lab profile »


Signed up: over 6 years ago
Tags added: 39

phillips 4w china

jwalter | over 6 years ago

cfl 7w lightway

jwalter | over 6 years ago

cfl

jwalter | over 6 years ago

led phillips 3 ...

jwalter | over 6 years ago

led stripe 1

jwalter | over 6 years ago

led stripe 1

jwalter | over 6 years ago

led fluter1 50w

jwalter | over 6 years ago

neon

jwalter | over 6 years ago

neon

jwalter | over 6 years ago

energiespar wohn

jwalter | over 6 years ago

led fluter1 50w

jwalter | over 6 years ago

led phillips 3 ...

jwalter | over 6 years ago

neon

jwalter | over 6 years ago

led fluter1 50w

jwalter | over 6 years ago