Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 21, 2025
It was enclosed in its own case as it came from the camera, and that case, as an additional protection, was placed in a light-tight black box. This box would hold several reels; but that night only one, and the most important of those taken on the trip, was put in it. "Look!" suddenly exclaimed Mr. DeVere, who had followed the two into the tent.
Pressing a bulb does well enough for taking a single picture, but when a series, on a long celluloid strip, are needed, as in the case for the "movies," an entirely different arrangement becomes absolutely necessary. The sensitive celluloid film must move continuously, in a somewhat jerky fashion, inside the dark light-tight camera, and behind the lens.
Three hundred years ago della Porta knew the camera obscura, and but for the lack of a sensitive plate would have made photographs. A box, thoroughly light-tight, slotted inside to receive plates, covered with black, and glued tight, a needle hole made by a number 10 needle in a thin sheet of paper and you have the apparatus for lensless photography.
The "taking" camera must have its parts enclosed in a light-tight box, because of the undeveloped, sensitized film, but the projecting kinetoscope, using only a fully developed positive film, may, and, for purposes of convenient operation, must be accessibly open. As to the additional reference letters, I is a condenser J the source of light, and K a reflector.
After the film has been exposed, three-quarters of an inch at a time, it goes below into another light-tight box of the camera, whence it is removed to be developed and printed. The movement of the film, the operation of the claws and the opening and closing of the shutter, making it possible to take sixteen pictures a second, was, in this camera, all controlled by the air motor.
"That big reel I took yesterday, and which I put in the light-tight box for safe keeping, is gone!" cried the young operator. The announcement made by Russ caused considerable surprise, and, on the part of Mr. Pertell, dismay. "You don't mean that big reel that important one which is a sort of key to all the rest is missing; do you?" he asked. "That's it," replied Russ, ruefully.
After the film has been exposed, the light-tight box containing it is taken out of the camera and taken to a gigantic dark-room, where it is wound on a great reel and developed, just as the image on a kodak film is brought out.
In each section of his range they made one or two cage- or pen-traps of bolted logs. At the back end of each they put a small grating of heavy steel bars. The door was carefully made and fitted into grooves. It was of double plank, with tar-paper between to make it surely light-tight. It was sheeted with iron on the inside, and when it dropped it went into an iron-bound groove in the floor.
Three hundred years ago della Porta knew the camera obscura, and but for the lack of a sensitive plate would have made photographs. A box, thoroughly light-tight, slotted inside to receive plates, covered with black, and glued tight, a needle hole made by a number 10 needle in a thin sheet of paper and you have the apparatus for lensless photography.
Though the Canal was practically finished, and open to some vessels, there was much that yet remained to be done upon it, and this work Blake and Joe, with Mr. Alcando to help them at the cameras, filmed each day. Reel after reel of the sensitive celluloid was exposed, packed in light-tight boxes and sent North for development and printing.
Word Of The Day
Others Looking