1931
|
? |
Various Types of Cameras [demonstration]
|
1931
|
A W Hill
|
The
Camera
|
1933
|
? |
Flashlight Photography [demonstration]
|
1933
|
A H Baird
|
The Epidiascope [demonstration]
|
1933
|
? |
Flashlight [demonstration]
|
1934
|
Mr Macalpine
|
Miniature Photography [demonstration: Leica]
|
1935
|
J G W Thompson
|
Photography by Artificial Light [demonstration]
|
1938
|
J G W Thompson
|
Portraiture with Photo-Flood lamps
|
1938
|
? |
[Meeting of Miniature Camera Workers
and others interested]
|
1938
|
E J Lennie
|
Photographic
Filters
|