Abstract: This disclosure relates to an apparatus or machine which is especially useful in performing an important article handling function in a semi-automatic production arrangement for inverting and moving interlocking, epoxy bonded blocks. These blocks, commonly referred to as Super Blocks, are cast three at a time on a special steel pallet having accurately positioned cavities. During the casting process eight alignment pins or protrusions are formed on the bottom of each block while at the same time matching alignment dimples or depressions are formed on the top of each block. The semi-cured blocks are inverted by the disclosed apparatus to avoid damage to the alignment pins when the blocks are placed on an exit conveyor. The same block inversion or transfer operation conveniently strips the three blocks off of each of the steel pallets making them ready for the next casting cycle.

Abstract: This disclosure relates to a video microscope with wide potential range of magnification powers, including but not limited to from 10.times. to 1000.times. whose separate images originating from multiple objective lenses are combined on a half-silvered mirror and focused into a vidicon camera tube to produce a two dimensional composite image. Separation of the multiple objective lenses can be adjusted with a preloaded right-hand/left-hand lead screw arrangement without defocusing the image from either lens system. A third image such as a cross hair, grid pattern or graticule can be introduced via a light source which is projected on a silicon semiconductor wafer or other subjects through the objective lenses and in turn reflects as a composite image onto the face plate of the vidicon camera tube. The third projected image permits measurement of areas and linear dimensions of the subjects viewed.