Portable platform for slide projection

Supports – Stand – To hold a particular article

Patent

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Details

248371, 248653, F16M 1104

Patent

active

045469423

ABSTRACT:
This platform provides a portable and convenient support for a slide projector. Primarily, it consists of a plate, which is received on the bolt of the head of a tripod. It further includes a knurled nut, for tightening the plate secure to the tripod, which may be elevated to any desired height and angle.

REFERENCES:
patent: 180806 (1876-08-01), Striegel
patent: 651521 (1900-06-01), Bigsby-Chamberlin
patent: 812233 (1906-02-01), Rock
patent: 1357639 (1920-11-01), Kroedel

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