Print  Specifics: Type of print: Wood engraving/Lithograph - Original German antique print Year of printing: not indicated in the print - est. 1865-1870 Publisher: Leipzig, F.A. Brockhaus Condition: 1 (1. Excellent - 2. Very good - 3. Good - 4. Fair) This scarce print had numerous brownish age spots/stains when I received it, see last photo. I had them removed to prevent further degradation. It now look like the day it was printed. Dimensions: 10 x 13 inches (25 x 33 cm), including blank margins (borders) around the image. Paper weight: 3 (1. Thick - 2. Heavier - 3. Medium heavy - 4. Slightly heavier - 5. Thin) Reverse side: Blank Notes: Green color around the print in the photo is a contrasting background on which the print was photographed. The print detail is sharper than the photo of the print. Legend to the illustrations in the print (translated from German): GAS PRODUCTION: 1. Distilling apparatus, 2. Retort furnace, 3. Condenser, 4. Exhauster, 5. Regulator, 6-8. Gas meter, 9. Dial plate, 10-11. Two-hole burner, 12. Wing burner, 13-14. Argand burner, 15. Overall view of the apparatus.   Martin2001 Satisfaction Guaranteed Policy! Any print purchased from me may be returned for any (or no) reason for a full refund including all postage. Internet seller since 1998. Five-star service.