View-Master® Model A Viewer - vintage - standard lens
Composite Plastic manufactured c.1940-1941, it is the third issue viewer. Early third generation viewers still were sold in a soft cardboard box that was gold with blue (rarly found intact). Later, the third generation viewers were sold of stury two piece boxes.
All standard lens Model A viewers have minor to severe warpage, which was typical due to the material used. It closes and but often does not advance a reel cleanly through. The lenses are smaller than the previous viewers Model A viewers.
NOTE: All Model A viewers warped shortly after production. All subsequent versions unsuccessfully attempted to resolve this issue, which was only resolved with the introduction of the Model B.
Each version of the Model A viewers are offered by 3Dstereo in one of two conditions:
Small Lens Model A 1940-1944
common - warped and reel will NOT advance by pulling advance lever, thus requiring some assistance from ones finger to move it along
seldom - warped but reel will advance by pulling advance lever
Look for advance info in product description:: "Good Advance" or "Poor Advance"
3rd version viewer