This is a rare original 1874 two-page print article about the Ingersoll Rock Drill. The text is accompanied by five detailed illustrations including: the improved Ingersoll Drill, mounted on a tripod for inclined drilling (Fig. 1); the Ingersoll Drill mounted for gadding, drilling vertical holes (Fig. 2); the Tunneling Column for use in shafts and small headings (Fig. 3); the Ingersoll Drill mounted for gadding, drilling vertical holes (Fig. 4); and the Ingersoll Drill mounted on car for driving heads (Fig. 5).
Please see both images.
This 137+ year old Item is rated Very Fine +++. Light aging throughout. No creases. No natural defects. No tears. No water damage. There is some light bleed-through from the printing on the reverse of each page.
Product Type: Original Print Article; Black / White
Grade: Very Fine +++
Dimensions: Approximately 9 x 12 inches; 23 x 30 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)
Keywords specific to this image: Ingersoll Rand