BulbCollector Forums

BULB DISCUSSION BOARDS => Antique Bulb Discussion => Topic started by: debook on January 19, 2008, 01:25:48 pm

Title: Cheap spectroscope
Post by: debook on January 19, 2008, 01:25:48 pm

Could prove useful... http://home.freeuk.com/m.gavin/grism2.htm