Commercial for a Philips Infraphil 7525
heat lamp (1:19)
VIDEO-PHILIPS-HEAT-LAMP-1948
In this commercial from around 1948, the first Philips Infraphil heat lamp type 7525,
an incandescent lamp with internal reflector and without the later introduced red filter,
was promoted for treatment of muscle pain, inflammation, etc. and for cosmetic
applications.
