![header thumbnail](/images/publishers\iso_cover.gif)
ISO 7943-1:1987
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
![header thumbnail](/images/publishers\iso_cover.gif)
Photography Overhead projectors Part 1: Projection stages Dimensions
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
20-03-2019
English, French
14-05-1987
The projectors described here are the types most commonly used for educational and training purposes. Specialized projection equipment is not dealt with. This part of the standard covers the dimensions of projection stages and location pins to ensure compatibility between the projectors and transparencies.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.