1778 Copper Engravings Antique Micrometer Astronomical Instruments Diderot DDR1 ZZ18 Keywords specific to this image:

Keywords specific to this image: Humidor-Aged

This 85+ year old Item is rated Very Fine +

This is an original 1955 black and white print ad for Heppner shipping

In Chihuahua

1778 Copper Engravings Antique Micrometer Astronomical Instruments Diderot DDR1 ZZ18 Keywords specific to this image:"Astronomie, Instrumens, Micrometre" This is an original 1778 set of two black and white copper engravings of drawings of the micrometer. Please see both images. CONDITION This 235+ year old Item is rated Very Fine +++. Light aging throughout. No creases. No natural defects. No tears. No water damage. Please note: There are plate impressions bordering the images in each print. Product Type: Original Copper Engraving; Black White Grade: Very Fine +++