

PROJECTORS S-I SERIES Case Serial No 15500
(Closed)

PROJECTORS S-I SERIES Case Serial No 15500
(Open)

PROJECTORS S-I SERIES shipping box Serial No. 4821

PROJECTORS S-I SERIES
On the left side of the image we have Serial No. 4821 and on the right side Selerial No. 15500.

In both cases the projection objective is the same.

Variations in the bases, in terms of the ventilation of the circuits, closed in the most primitive (although it could have been modified) and open in the 15500.

The diagram of functions, included in the instruction manual, is very complete, since in addition to indicating the usefulness of each element, it gives us information on the innovations that the projector contained with respect to others that might exist on the market, for example the prism (5) that allowed the title of each projected image to be read.

Composition to be able to identify the elements that make the mechanism work, next to the cut-out of the Copyright date, note that it is from 1947.

The case was supplied with a Union of South Africa reel: No. 3029 ‘Natives of Zululand’. As shown on the envelope it was prepared to be viewed in a Lighted Stereo Viewer type hand-held viewer which has all the features of the standard model plus a built-in light powered by two batteries or a cable transformer.

Two of the 7 stereoscopic half-pairs showing people and their way of life, under the photographic gaze of the standard in the middle of the 20th century.
According to the first information gathered, View-Master dedicated to the UNION OF SOUTH AFRICA and to AFRICA, in the first period, from reel 3002 to 3810 and to the East in general from 4000 to 4872.

Diagram interpreted from the invention of William Biller Gruber (born in Munich, Germany 1903-died in USA 1965) according to patent 2,189,285 of the Series A STEREOSCOPIC VIEWING DEVICE of 06/02/1940. Application January 20, 1939, serial No. 25927.

A set of Reels showing a part of the wide range of subjects that have been developed photographically during the first 40 years of the creation of the View-Master company.
Author:
Dating:
Dimensions:
Ancho x alto x largo
Proyectores 11,5 x14,5 x11,5 cm
Maletín (exterior) 15,5 x16,8 x 21,5 cm
Proyectores 11,5 x14,5 x11,5 cm
Maletín (exterior) 15,5 x16,8 x 21,5 cm
Inscribed:
Type of object:
Technique:
* Photographic lens corrected for optical aberrations in order to obtain sharp images right to the edges of the picture, resulting in the use of wide-open apertures and faster shutter speeds. The texts consulted seem to refer to lenses that may have been manufactured by Kodak.
Material:
Property: