Du Pont farmer's handbook; instructions in the use of dynamite for clearing land, planting and cultivating trees, drainage, ditching and subsoiling . 5/ 4 INTERIOR AND EXTERIOR VIEWS OF 3-POST BLASTING MACHINE given it and the nearer it comes to the bottom the quicker and hardershould be the push. When the rack bar strikes the bottom theelectric fuzes will explode. Reliable No. 2 Blasting Machines have two binding posts andthe No. 3 size also has two posts unless specially ordered with blasting machines will explode at one time nearly 50%more electric fuzes than two-post blast
Du Pont farmer's handbook; instructions in the use of dynamite for clearing land, planting and cultivating trees, drainage, ditching and subsoiling . 5/ 4 INTERIOR AND EXTERIOR VIEWS OF 3-POST BLASTING MACHINE given it and the nearer it comes to the bottom the quicker and hardershould be the push. When the rack bar strikes the bottom theelectric fuzes will explode. Reliable No. 2 Blasting Machines have two binding posts andthe No. 3 size also has two posts unless specially ordered with blasting machines will explode at one time nearly 50%more electric fuzes than two-post blasting machines of the same leading wires are connected to the blasting machine by pushingthe well-scraped bare ends through the small hole in the bindingposts and screwing the wing nut down firmly on them. When athree-post blasting machine is used with three leading wires, the onesfrom the two outside posts are connected to the first and the last elec-tric fuzes in the circuit, and the one from the middle post is con-nected between the two middle electric fuzes in the circuit. A three-post blasting machine may be used with two wires onl
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Keywords: ., bookcentury1900, bookdecade1910, bookiddup, booksubjectexplosives
