Detonator
Object number95.178.1
Manufacturer
E.I. Dupont De Nemours and Company
Mediumwood, ferrous metals, copper, brass, leather, paint
Credit LineGift of David M. Laffey
DescriptionPlunger type dynamite cap blasting machine. Housed in a red-painted dovetailed oak box; front and rear sides held together with screws. Two embossed nameplates nailed to front, with instructions and trademark. Leather carrying strap attached with screws. Top of box has two large brass terminals in front, with brass wing nuts. Plunger handle of turned wood, attached to a square metal rod, one side having teeth which mesh with an internal gear; plunger ratchets free on lift stroke, down drives commutator for electrical discharge.Dimensions18 x 6.5 x 8.125 in. (45.7 x 16.5 x 20.6 cm)Signedstamped into plunger rod near handle: D 4134 B
MarksText on upper nameplate "Manufactured by E.I. Dupont De Nemours & Company..."
Text on lower plate "Directions For Using A Blasting machine..."
Text stamped into plunger rod near handle "D 4134 B".
Historical NotesDupont Mine Blasting Machine used for mine blasting by the donor's great-grandfather, Corrado Martino.Label TextDupont Mine Blasting Machine generated an electrical charge used to detonate explosives. The donor’s great-grandfather Corrado Martino was an Italian immigrant and used this detonator for mine blasting.
Previous owner
Corrado Martino
Terms
On View
On view
Renwal American Sundries Company
1968
Gentile
