Manual for the illuminating engineer on large size perfect diffusors
By: by H. Zijl.
Publisher: N. V. Philips' Gloeilampenfabrieken
Published: 1951
Place of publication: Eindhoven
Language: eng
Number of pages: 196
Subjects: Lighting.
Other titles: Large size perfect diffusors.; Large diffusors.
Notes: Part of illustrative matter in pocket.

Spine title: Large diffusors.