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IJniversal's "No. 13 Washington Square" was given
by F. Graves as $41.08, as compared with an estimated
current cost had Arcs been used of
$615.93. Paramount estimated 78 cents current
cost per hour {or Incandescent, as compared with
$1.38 for Arcs.
Mr. A. George Volck of De Mille observes that
"the practice is to allow Incandescents to burn
longer than Arcs.
(Q. Indicating Questionnaire)
Sunueny or Orrnroxs Rncanorwc Cunnnxr Cos:rs
op L.rc,qruonscnt.lrs As Coltpanpo ro Ancs
Wm. Fox
W. J. Quinlan
Pararnount
J. J. Gain
United Artists
L. V. iohnson
James Dent
Warner Bros.
F. Murphy
(Q.1) 577o
(Q.2) 75%%
(Q.1) 35%
COSTS OF
REPLACEMENTS
Basis of Estimate
Wattase rating of
samesdt lightwithl. *
A. Experience to date.
Experience to date.
Comparison of Amperage.
Opinion.
Eiperience to date.
Figures No. 13 Washington
Square.
Current for I-$41.08
C. estim. A-615.93
Estimates of the costs of lamp or globe replacements
{or Incandescents, as compared with carbon
renewals for Arc lights, showed considerable variation.
In their first replies the experiences of the
De Mitle and Paramount organizations indicated
the replacement costs to be about equal.
In photographing "No. 13 Washington Square"
breakage and depreciation of lamps cost Universal
$306.40, as against an estimated carbon consumption
during the same period of $338.90. However,
according to Mr. Stern, "the maintenance expense
{or the picture in question is higher than it
will be in the future, {or the equipment used necessitated
globes of the tubular shape with the concentrated
filament, but on account o{ the longer life
and cheaper cost of the pear shaped commercial type
the equiprnent was later changed."
The success of First National with twelve productions
using Incandescents during the period January
lst to March 31st was more marked and the
figures submitted by Mr. Faralla in reply to Questionnaire
Number 2 ft:Jly substantiate his original
estimate of a replacement cost for Incandescents,
which was less than 50 per cent o{ the carbon consumption
and tube replacement of Arcs. Mr. Faralla's
statement: "Covering a period f.rom January
lst to March 3lst, with twelve companies, we show
an actual loss of lamps of $1063.70, with an average
of $88.64 per company (these companies were
not all 100 per cent carbon). To ma'ke a comparison
with carbon renewals, we use $200 to $300
per picture, although some of the companies mentioned
use both carbons and Incandescents."
In their second reply, Paramount still maintains:
"Our experience has been that there has been little
if any saving by using Incandescents. Due to lamps
burning out, defects and breakage in handling, comparative
costs are about equal."
On the other hand, from Frank Murphy at
Warner Brothers, comes: "Expense of replacements
such as globes, etc., we find to be B0 per cent less
than carbons and condensers."
RESULTS OF
SPEEDING UP
Most significant from an economic standpoint is
the possible saving in production time, and hence in
general production costs, attending the use of Incandescent
lamps.
All of the comments on this important subject
are reproduced below:
"Because of their light weight and ease in handling,
there is an appreciable saving of time, both
in lining up o{ the set in addition to lessening the
time necessary to make a change of set-up. Estimates
as high as two hours a day have been given
on this point, but there has been no test made. The
economy is self-evident and is undoubtedly an appreciable
factor in getting more scenes per day, particularly
when many changes of set-up are required."
D. L. Faralla, First National.
This statement by Mr. Faralla is given added
weight by his reply to the second questionnaire'
which is based upon his experiences with the use
of Incandescents in twelve productions from January
lst to March 31st. In the latter statement
he says that: "The speed of production is increased
in handling Incandescents due to the lightness of
equipment. We have made no test to determine
the increase of speed, but we know that two men'
without block and fall, can handle Incandescents
and place them on a platform faster than three men,
with block and fall, handling 120 ampere spots."
A. George Volck of the De Mille company replies
to Questionnaire Number 1: "There is some
difference of opinion as to the time of the company
saved by using Incandescents. l-Inquestionably, the
Mazda lighting can be moved more readily and
with greater f acility; however, there is a greater
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