1891 Article Rock-blasting Electric Firing System Methods Machine James MAB1 MD2 Bourke-White was born in the

Bourke-White was born in the Bronx

" This is an original 1931 double-sided halftone print with images of some of the night illuminations at the Paris Colonial Exposition

This is an original 1890 black and white wood engraving (Photoxylograph) of the town of ShoShong

presentation packs

This is an original 1901 halftone print of a farmer plowing a field in Heliopolis

1891 Article Rock-blasting Electric Firing System Methods Machine James MAB1 MD2 Bourke-White was born in theThis is an original 1891 one page print article "Rock blasting by Electric Firing" with four halftone illustrations of the machine and methods employed in the electric system of rock blasting; manufactured by James Macbeth and Company, 128 Maiden Lane, New York. Fig. 1 shows the holes connected in series. Fig. 2 shows the Victor Electric fuses for exploding all grades of blasting powder and high explosives. Fig. 3 shows a machine testing the battery.