ماكينة الطبع والتكبير .. كتاب التصوير للهواة

Chapter III

Printing and enlarging machine

box :

It is made of wood and is equipped with places to place the printer and enlargement device and its accessories:

The machine consists of:

1- The rule:

And it has a - It is a plate of wood with a film for the magnification column

Magnifier light switch

Fishh Bmnayem to Fishh lantern.

B - Zoom Column:

It is a steel column divided into grades that show the degree of magnification of the image, and it starts from 2.5 to 7, and these grades give the sizes of the images

different and works as follows :

It has a groove at the bottom to install the wire of the amplification device. And a white board of wood with arms to move on it from steel. Image to control the size

C - Enlarging and printing device: It consists of the main parts:

1- Zoom lens (objective):

It completely corresponds to the objectivity in the machine, and on the side of the objectivity, there is a place to put the film in it during work, and a stream that the film passes through the objectivity of Menemen. To install the objective, the magnification device and the latch for fixing the objective are installed in the lower part and on the body

2- The lower part of the zoom device:

1- It consists of an inclined column with a bracket to fix the magnification column. On this bracket, a screw is used to gradually fix the amplification device.

What is required for the degree of magnification are two nails, one of which is fixed and the other movable

Window film fixation and moving while zooming in clamping or panning ratchet

On top of this window there is a lens that deflects the light and distributes it on the film

And around the lens there is a warder with three sleepers.

- The upper part of the zoom device:

It is a cylindrical body with two sockets on its sides, one for red light and the second for normal light and lighting. The first is connected to an arm from the inside with a red bottle and the other with ordinary glass. The top of the cylindrical body has holes for ventilation and a latch to install the lighting lamp in the body. The lamp ends from the top with a wire that connects electricity, and on it is a piece of plastic with an emulsion to fix the wire to a column zoom

Follow the contents of the box

1- Transformer: It is a device to convert the current from 220 to 110 or vice versa

2- Three plastic containers: to put the primer, fixative and water in it. 3- 2 round plastic containers: used in the process of showing and fixing in acidification.

4- Red lighting lantern: It is a normal lantern equipped for red lighting during printing and enlarging

e - tin can

: Used to save movies that have been consumed.

6- A small wooden box containing:

From the highest number of 7 cassettes for films.

12 volt lamp for lighting

Spare glass magnifying film.

From the bottom 1 - A device for illustrating the image during printing, consisting of a reflective mirror, a glass to pass the light reflected from the reflecting mirror, and a lens for magnification - T - a cloth for cleaning

- A screw for wrapping the film inside the cassette

How to print and enlarge:

A - How to remove the film from the machine:

1- The film ends at 36, and the reel is moved downward and to the left. Therefore, the lever for managing the film is separated from the gear that pulls the film and inserts it into the holes in the film, then the coin attached to the cassette is rotated to return the film to the cassette again.

2- After wrapping the film, the cassette should be removed from the machine and taken

To a dark room, and the film is removed from the cassette and placed in the plastic box designated for developing the film, then the box is closed, and it is possible to take it out into the light after that

Pour the acidification material from the hole in the middle of the lid of the can, and turn the can using the twine in the middle of the lid after 8 or 10 minutes, depending on the type of acid. .

4- After that, the film should be washed with cold water and cleaned carefully in the same way. We empty the water to make sure that the film is washed. after

E - After that, the acid prepared for fixation is placed.. and the can is rotated

For 8 to 10 minutes, depending on the type of acid.

6- The film should be washed with clean, cold water again and the water should be changed several times until we are sure that the film is washed completely. After that, the film and the box should be removed and dried in the air, but in the dark.