The motion picture projectionist (Oct 1927-Sept 1928)
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April. 1928
The Motion Picture Projectionist
When Ordering Simplex or Kaplan Sure-Fit Parts
Use These Numbers
By JOHN PROSS
IN the stock of knowledge which a Projectionist should have at his command I know of nothing more important than a precise knowledge of the parts that make up any of the several assemblies of a motion picture projection machine. Such a knowledge is useful for many reasons. It not only helps the Projectionist to go at once to those parts that might be the cause for some sudden "kink" which is hindering the perfect projection of the picture, but, what is equally important, it ennables him at once to order the exact part which may have to be replaced in an emergency — sometimes, perhaps, while
Part No.
E-2
H-119-E
Holder:
P-119-E
Pin:
S-367-E
Stud:
W-148-E
Washer:
E-3
C-127-E
Collar:
G-125-E
Guide:
G-126-E
Guide :
S-665-E
Stud:
S-716-E
bcrew :
E-4
E-6
L-109-E
Link:
S-316-E
Shutter:
S-362-E
Stud:
E-7
L-101-E
Lever :
S-363-E
Stud:
E-8
S-102-E
Screw
E-9
H-118-E
Holder:
P-100-E
Pad:
P-320-E
Protector
S-130-E
Screw:
S-132-E
Screw:
S-192-D
Screw:
S-310-E
Shoe:
S-311-E
Shoe:
S-326-E
Spring:
S-328-E
Spring:
E-10
H-118-E
Holder:
P-100-E
Pad:
P-325-E
Protector
S-130-E
Screw;
S-132-E
Screw:
S-326-E
Spring:
S-328-E
Spring:
S-580-E
Shoe:
S-581-E
Spring:
S-698-E
Screw:
Description "E" FILM TRAP ASSEMBLY COMPLETE Complete "E" Sub-Assemblies Door Holder Assembly Door Holder Door Holder Pin (2). Door Holder Stud Door Holder Washer Intermittent Film Guide Assembly Intermittent Film Guide Distance Collar (4). Intermittent Film Guide, Inside (2). Intermittent Film Guide, Outside (2). Intermittent Film Guide Stud (4). Intermittent Film Guide Screw (4). Film Trap Door (Old Style) Automatic Fire Shutter and Lift Link Assembly Automatic Fire Shutter Lift Link Automatic Fire Shutter Automatic Fire Shutter Stud Automatic Fire Shutter Lift Lever Assembly Automatic Fire Shutter Lift Levei Automatic Fire Shutter Lift Lever Stud Automatic Fire Shutter and Lever Assembled (Includes E-6 and E-7) Automatic Fire Shutter Lift Link Retain Screw
Film Trap Gate Complete (Old Stvle) (Includes
E-3 and E-4) Guide Holder Film Trap Door Pad Film Protector Regular Film Guide Holder Screw (8). Film Guide Retain Spring Screw Film Protector Screw (2). Film Trap Door Shoe, Left Film Trap Door Shoe, Right Film Guide Retaining Spring Film Trap Door Pad Spring Double Tension Film Trap Door Assembly
(Includes E-3 and E-17) Guide Holder Film Trap Door Pad Film Protector
Film Guide Holder Screw (8). Film Guide Retaining Spring Screw Film Guide Retaining Spring Film Trap Door Pad Spring Double Tension Film Trap Door Shoe (2). Double Tension Film Trap Door. Shoe Spring (2). Film Protector Screw (2).
the screen is dark and the audience is waiting impatiently for the picture to go on again.
My own experience has taught me that such knowledge of this sort as I possess is my most valuable equipment as a Projectionist. Many times when I have had a breakdown in my mechanism I have been able to locate the faulty part and order it by telephone from the nearest supply house. Once I had a travel ghost due to a very peculiar and puzzling cause — the house was of the extreme de luxe type and any faulty projection created a furor from manager to doorman — and I was able to locate the trouble at once in a relatively small, hidden part whose washer and screw had worn a little loose. I do not say this boastfully — there are Projectionists all over the country who have an intimate knowledge of their projection machines — but I am merely citing these examples of how necessary it is to know all the parts and know them by name.
Before I attempt to explain how easy it is to order parts properly from your supply dealer, let me give you my impression of a Projectionist who lacks this valuable knowledge trying to order same part he needs — and maybe needs right away. I have heard it this way many times. He comes into the store: — "I want a spring," he says. "What spring do you mean?" the dealer asks.
"It goes into my Film Trap," says the Projectionist.
"There are several different springs that go into the Film Trap Assembly," answers the dealer. "Can you tell me what sub-assemblv it belongs to?"
1 1
7
-mif: Si,'
' W A > 1
?*gL _ |
■V
Film Trap Assembly
Imagine the trouble, the delay, the irritation and the general inconvenience of the whole transaction.
Xow let's see how easily it can be done the right way — if the Projectionist knows how. Let us take the same Film Trap Assembly.
The Film Trap Assembly is known in the trade as the "E" Assembly. The "E" assembly in turn is made up of a number of sub-assemblies, fifteen in all, numbered from 2 to 18. No. 1 stands for the Film Trap Assembly complete as a single unit.
It is, however, not necessary for the Projectionist to know the trade numbers of these sub-assemblies. Manufacturers have simplified it for