Made in Sweden by Aga. It seem to be a 4th order lens.
It has several blemishes but it is complete (see detailed pictures - it is almost impossible to find this kind of lenses intact). It weighs approximately 150 Lbs. All defects not mentioned but visible in the pictures will be considered as described. If you have any question, please do not hesitate to contact me. Thank you for your visit.
The item "ANTIQUE LIGHTHOUSE 4TH ORDER FRESNEL DRUM LENS 1920 BY AGA 58 CM DIAMETER RARE" is in sale since Sunday, May 20, 2018. This item is in the category "Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Other Antique Science Equip". The seller is "liancollect" and is located in Buenos Aires, Buenos Aires. This item can be shipped worldwide.