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"We're about 20 minutes away from the point where Clarke's law kicks in and technology becomes indistinguishable from magic."
- Peter Watts
 |
| Stereoscopic Vernier and Cube | ||
| A means of photographing in depth. |
As far as I know, the moulage method of making a copy of tire tracks is still in use.
| “When did the police abandon the
moulage method of making casts?”
“Five years ago,” said Wohl. “We now photograph impressions with stereoscopic cameras. Impressions on fibrous surfaces are photographed in relief with the aid of the parallel light beam.” “I know all that,” Graham told him. “But why is that method now used?” “Because it’s handier, and absolutely accurate. It has been used ever since they found a way to measure stereoscopic depth by means of... heck!’’ — he risked a swift glance at his passenger, and concluded — “the Dakin stereoscopic vernier.” |
| Technovelgy from Sinister Barrier,
by Eric Frank Russell. Published by Unknown in 1939 Additional resources -
|
The picture was projected in three dimensions.
“Cute!” he murmured.
Finding the now-dead scientist’s
original and somewhat crude model of
his vernier, Wohl amused himself by
projecting its standard stereoscopic cube
upon a small screen. He twiddled the
micrometer focusing screw that controlled the cube’s perspective, made the
geometrical skeleton flat enough to appear almost two-dimensional, then deep
enough to resemble an apparently endless tunnel.
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'Wandering mines, you took them out on the edge of the desert, set them down and activated them.'
'Once in the very first weeks of the war, before everyone had been evacuated from the surface...'
'For a while your colonists will have to come up to the [orbital] Hospital...'
'...it raised its front end off the ground and waved its antennae at them, then raised one armoured claw as if to snip them out of the sky.'
'Henry... assumed the curious absent look of a robot talking on the TBR circuits.'
'The king, an old hand in the running of tyrannies, instantly grasped the directions...'
