1891 Article Rock-blasting Electric Firing System Methods Machine James MAB1 MD2 This is an original 1925

This is an original 1925 black and white print ad for The Browning Company located at 16226 Waterloo Rd

a product by the Postum Cereal Company

presentation packs

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

Bourke-White was born in the Bronx

1891 Article Rock-blasting Electric Firing System Methods Machine James MAB1 MD2 This is an original 1925This 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.