Popular science monthly . a boxmade waterproof by a coat of parafiinand is then placed in the space providedfor it in the flashlamp. The powder isfired either by a blank cartridge or byan electric spark furnished by a dr>battery. A firing-pin, controlled by aspring and a trigger, similar to thoseused in a rifle or revolver, sets off thecartridge. When taking a flashlight of an animal,a wire is attached to the trigger and thentied to bait of some sort. The animalis attracted by the bait, and if it touchesit, the wire is pulled, which, in turn. 483 48-1 pulls the trigger, re-leases the firinj

Popular science monthly . a boxmade waterproof by a coat of parafiinand is then placed in the space providedfor it in the flashlamp. The powder isfired either by a blank cartridge or byan electric spark furnished by a dr>battery. A firing-pin, controlled by aspring and a trigger, similar to thoseused in a rifle or revolver, sets off thecartridge. When taking a flashlight of an animal,a wire is attached to the trigger and thentied to bait of some sort. The animalis attracted by the bait, and if it touchesit, the wire is pulled, which, in turn. 483 48-1 pulls the trigger, re-leases the firinj Stock Photo
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Image details

Contributor:

The Reading Room / Alamy Stock Photo

Image ID:

2AKBNA4

File size:

7.1 MB (198.2 KB Compressed download)

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Model - no | Property - noDo I need a release?

Dimensions:

1376 x 1815 px | 23.3 x 30.7 cm | 9.2 x 12.1 inches | 150dpi

More information:

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.

This image could have imperfections as it’s either historical or reportage.

Popular science monthly . a boxmade waterproof by a coat of parafiinand is then placed in the space providedfor it in the flashlamp. The powder isfired either by a blank cartridge or byan electric spark furnished by a dr>battery. A firing-pin, controlled by aspring and a trigger, similar to thoseused in a rifle or revolver, sets off thecartridge. When taking a flashlight of an animal, a wire is attached to the trigger and thentied to bait of some sort. The animalis attracted by the bait, and if it touchesit, the wire is pulled, which, in turn. 483 48-1 pulls the trigger, re-leases the firinji-pin andignites the powder byexploding the blankcartridge. When thepowder is to be ignitedelectrically, a wire isstretched from a switchto the bait. Once thebait is touched a circuitis closed and an elec-tric spark sets off thepowder. The shutter on thecamera designed byMr. Nesbit is operatedby means of the coverplaced over the con-tainer holding the pow-der. This cover isattached to a chain Popular Science Monthly Cover. Spring be found. The coeris so arranged that itcannot be blown offuntil the powder isburning with its great-est brightness. When the wire to thebait is pulled, the pow-der is ignited and com-mences to burn. For asmall fraction of asecond the cover re-mains in place whilethe powder burns.Then, when the powderis burning with greatestigor and is giing offits brightest light, thecover is blown off andthe shutter of the cam-era is siKipprd.

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