1915 Print Mercury Vapor Engine Diagram Boiler Pipes - ORIGINAL HISTORIC SA1A

This is an original 1915 halftone print of a diagram of a mercury-vapor engine. (Please note that there is printing on the reverse.)

CONDITION

This 96+ year old Item is rated Near Mint / Very Fine. No creases. No natural defects. No tears. No water damage.

• Product Type: Original Halftone Print; Grayscale
• Grade: Near Mint / Very Fine
• Dimensions: Approximately 10 x 13.5 inches; 25 x 34 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)

SA1AA5B29C15