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462 SOCIETY NOTES [J. S. M. p. E.
the character of the emission of luminous bodies in general and of the tungsten filament in particular. He also demonstrated a tungsten spot lamp equipped with a heat absorbing water filter. This was followed by a general discussion on wide film problems together with a demonstration of the various parts of the Grandeur 70 mm. camera. The London Section. — Our fellow members in London have been continuing their bi-weekly meetings with systematic regularity. Many of the papers read at the Toronto convention have been again presented at these sessions. The program for the remainder of the year is as follows:
March 10th at Mayfair Hotel First Annual Dinner
March 24th at R. P. S. "Lenses with Special Reference to Color Correc
tion," by Mr. Warmisham.
April 14th at R. P. S. "Acoustics of Buildings," by Mr. Fleming of the
National Physical Laboratory.
Sustaining Memberships. — To date, the following firms have agreed to take up sustaining memberships for the amounts indicated.
$1000 Memberships
Bell Telephone Laboratories, Inc.
Eastman Kodak Company
Paramount-Famous-Lasky Corp.
RCA Photophone, Inc. $500 Memberships
Bell & Howell Company
Consolidated Film Industries
Du Pont-Pathe Film Mfg. Corp.
Technicolor Motion Picture Corp. $100 Memberships
Audio-Cinema, Inc.
Case Research Laboratory
As explained previously, sustaining memberships have been established in order to provide a fund of from $9000 to $10,000 annually for the purpose of acquiring a permanent editor-manager for the JOURNAL who will also act as assistant secretary-treasurer and also to enable the Society to establish permanent headquarters in the Engineering Societies Building, New York, N. Y. All members are urged to make every effort to persuade their firms to take up sustaining memberships in one of the classes indicated.
New Committees. — Two new committees have been appointed.
The Historical Committee under the chairmanship of Mr. F..J. Wilstach will undertake the collection of old films and motion picture