Bauhaus-Universität Weimar

Titel:
L. E. Knott Apparatus Company: Scientific Instruments, Catalogue 26
Person:
Knott, L. E.
PURL:
https://digitalesammlungen.uni-weimar.de/viewer/image/lit13684/146/
SCIENTIFIC INSTRUMENTS 
141 
90-150 ARTIFICIAL LIGHT CIRCUIT for reproducing, within the laboratory, conditions similar to those 
of an actual incandescent lighting circuit as worked out in the Applied Electrical Laboratory of 
Pratt Institute. A wire of known high resistance per mil-foot, resembling in appearance an ordinary 
incandescent lighting wire, but having an asbestos insulation to avoid danger of fire. In use this 
wire is strung along the side of a room or mounted on a movable frame using standard porcelain 
insulators and cleats, lamp sockets and switches. Fifty-foot Artificial Lighting Circuit complete 
with special resistance wire, sufficient insulators, cleats, lamp sockets and switch, with full 
directions and diagrams for setting up...................................................$15.00 
No. 90-175 
(Full size) 
No. 90-175 
(Various uses) 
90-175 IMPROVED RAPID CONNECTOR TIPS for soldering to wire to form connectors. The spirals 
can readily be separated by a slight pull and the straight end of another tip slipped in the opening to 
secure a positive electrical connection. Obviates a multiplicity of connectors, since they can be 
used with any binding post and are equally well suited for parallel or multiple connections. The 
spiral is made from phosphor-bronze wire Of a size and proportion to give rigidity, yet at same 
time to enable one to make a positive electrical connection more simply and quickly than with 
other connectors............................................Per dozen, $0.50. Per hundred 4.00 
90-177 IMPROVED RAPID CONNECTOR, 6-inch. Flexible lead 6 inches long, with Tip No. 90-175 
soldered at each end...............................................................Each .16 
90-179 --, 2-feet, flexible lead 2 feet long, with Tip No. 90-175 soldered at each end............Each .20 
90-180 --, 3-feet, flexible lead 3 feet long with Tip No. 90-175 soldered at each end..............Each .30 
90-185 “PRIMO” POSITIVE CONTACT LECTURE TABLE CLASP for soldering to wire to form a 
connector. Connections to all styles of binding posts, both bare and insulated wire, can easily 
be made. The grip has teeth which will pierce insulation of even heavily insulated wires and 
make positive electrical contact.........................:............................Each .25 
90-187 “PRIMO” POSITIVE CONTACT LECTURE TABLE CONNECTOR, 4-foot. Flexible lead 
4 feet long, with Clasp No. 90-185 soldered at each end................................Each .80 
90-190 ^UNIVERSAL CONNECTOR TIP for use in connecting to either English or American binding posts. 
The bared end of the lead is placed in the groove and pressed firmly in place by a pair of pliers, 
then soldered...........................................................................05 
90-195 CADY’S HIGH POTENTIAL INSULATED PINCH CONNECTOR designed for high potential 
currents to insure safety to the worker and to guard against short circuit. Will connect to corners 
of plates, and assures positive contact with any size of wire, from 5/32-inch diameter to the finest 
wires or thinnest ribbons. By pressing one of the insulated knobs as shown in the illustration, 
the spring jaw is opened and the wire inserted. When pressure is released the wire is held firmly 
in electrical contact. The connector is completely insulated, obviating any possibility of a short 
circuit or a ground through the operator.................................................. 2.25 
90-220 PORCELAIN INSULATING TUBE (see Fuller & Brownlee, Exp. 74)..........................15 
90-221 WOODEN CORE with ATTACHED BINDING POSTS for use with above....................75
        

Nutzerhinweis

Sehr geehrte Benutzer,

aufgrund der aktuellen Entwicklungen in der Webtechnologie, die im Goobi viewer verwendet wird, unterstützt die Software den von Ihnen verwendeten Browser nicht mehr.

Bitte benutzen Sie einen der folgenden Browser, um diese Seite korrekt darstellen zu können.

Vielen Dank für Ihr Verständnis.