This is an original 1878 halftone print of a Blake Vacuum Pump, made by Geo. F. Blake Manufacturing Company, 88 Liberty Street, New York.
This 133+ year old Item is rated Very Fine +++. Light aging throughout. No creases. No natural defects. No tears. No water damage. Please note there is print on the reverse. There is some bleed through visible on this print.
Product Type: Original Halftone Print; Black / White
Grade: Very Fine +++
Dimensions: Approximately 8.25 x 4.5 inches; 21 x 11 cm
Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance
Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation)