Electronic industries; Memory dies; Photographs; Santa Clara (Calif.); Santa Clara County (Calif.)--History; Technology;
Enlarged black-and-white photograph of the Intel® 1101 RAM Memory Die. Concept: Ted Hoff. Design: Joel Karp. Project management: Les Vadasz. First RAM; developed to replace the core memory; among the competing MOS-, bipolar- and...
Scientific apparatus and instruments; Santa Clara University (Calif.)
""The hydraulic press depends on Pascal's principle: The pressure throughout a closed system is constant. At one end of the system is a small area piston driven by a lever to increase the mechanical advantage. The small-diameter tubing...
Electronic industries; Memory chip packages; Photographs; Santa Clara (Calif.); Santa Clara County (Calif.)--History; Semiconductor wafers; Technology;
Color slide of the Intel 1103 Memory chip package. Concept: Ted Hoff. Design: John Reed. This first DRAM is also the first of the chips that would enable the explosive growth of PC's; 1970 MIL became the official second source supplier for Intels...
Electronic industries; Memory dies; Photographs; Santa Clara (Calif.); Santa Clara County (Calif.)--History; Semiconductor wafers; Technology;
Enlarged color photograph of the Intel® 1103 DRAM Memory Die. Concept: Ted Hoff. Design: John Reed. This first DRAM is also the first of the chips that would enable the explosive growth of PC's; 1970 MIL became the official second source supplier...
Advertisements; Agriculture; Drawings; Ephemera; Livestock diseases; San Jose (Calif.); Santa Clara County (Calif.)--History; Veterinary medicine;
On front of advertisement: "Important to owners and raisers of stock -- Dr. W. J. McKee, of San Jose, Cal., a Veterinary Surgeon of forty years experience, brings glad tidings to all owners and raisers of Horses, Cattle and Stock generally....
Big Basin Redwoods State Park; Redwood Park; Parks; Trees; People; Fuller family; Photographs
"Father of the Forest" at Big Basin, 1913. Charles R. Fuller is seen standing near the base of this tree, he said he felt like a microbe on the end of a toothpick. The tree is 100 ft. in circumference, 22 ft. in diameter, and said to be...
In this demonstration apparatus, water pours into the top section of the central rotor, pivoting freely about its axis. The two pipes projecting from the bottomof the rotor are closed at the end but with a rearward-facing hole. The rotor spins as...
"This unique piece of apparatus uses Lissajous figures to show that the ratio of the frequency ratios in a diatonic scale are ratios of small numbers. On the side is an air-driven vibrating reed with a small mirror attached to its free end....
Electric discharges; Scientific apparatus and instruments
When connected to a power source, a bright electric spark would flash between the two ends of the two outer posts. The middle glass post is made of photo gray glass (yellow tinted glass), which would have glowed. This instrument is visible in early...
Scientific apparatus and instruments; Induction coils
The Ruhmkorff induction coil consists of two separate coils of wire one inside the other wound around a cylinder with a central core of soft iron rods. When a current is passed through the first primary coil, current is induced in the secondary...
Scientific apparatus and instruments; Camera lucida;
An artist's aid for drawing, the camera Lucida was a portable device that was used to reproduce visual images on to paper. An adjustable prism mounted on the end of a supporting arm reflects the surrounding light and produces the image onto the...
Scientific apparatus and instruments; Simple machines; Archimedean screw
A simple mechanical device credited to Archimedes. When the lower end of the screw is placed in water, turning the device raises water to the top. This principle has various applications for drainage and irrigation, but the instrument can also be...
