It consists of a right and left support (1), a bracket (15), a pivoting shaft (3) with knurled screws (9) and a base (11).

Some cables have connectors with locking tabs or thumb-screws that you must disengage before disconnecting the cable.

Some cables have connectors with locking tabs or thumb-screws that you must disengage before disconnecting the cable.

The slant of the book can be variably adjusted by releasing the knurled screws (on both ends of the pivoting shaft) and by displacing said shaft forwards or backwards, in relation to the base.

the fixing part, in aluminium, also in two parts: the sole which is fixed under the camera, and the U-shaped frame, equipped with knurled screws to adjust the position of the viewfinder and flatten it on the screen of the camera.

It consists of a right and left support (1), a bracket (15), a pivoting shaft (3) with knurled screws (9) and a base (11).

Some cables have connectors with locking tabs or thumb-screws that you must disengage before disconnecting the cable.

Some cables have connectors with locking tabs or thumb-screws that you must disengage before disconnecting the cable.

Knurled grooves are formed in the outer surface of the first shaft part.

Instead of an elongated groove having a sharp edge on each of the opposite major surfaces of the staple, these surfaces may be provided with knurlings.

The slant of the book can be variably adjusted by releasing the knurled screws (on both ends of the pivoting shaft) and by displacing said shaft forwards or backwards, in relation to the base.

The sleeve has a cylindrical outer surface and has a length less than the distance between the margins containing the knurlings.

Rolyn offered Apo Saphirs “in a knurled enlarger mount, with illuminated diaphragm scale.

The first and second countermoment ends (30, 50) each have weight supporting means (34) and rotating, knurled hand grips (60).

The devices are constantly thumbed, but they do not receive a thorough cleaning so often.