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Planisphere

Known as: Star wheel, Planesphere, Constellation wheel 
A planisphere is a star chart analog computing instrument in the form of two adjustable disks that rotate on a common pivot. It can be adjusted to… 
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Related topics

Related topics

7 relations
Analog computerAstrolabeComputerHistory of cartography

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2016
2016
Breakdown voltage calculation of sphere-planesphere air gap in slightly uneven electric field
The breakdown voltage of typical electrode structures is important for the design of external insulation, but little attention is… 
2016
2016
DEVELOPMENT OF PUSH TYPE BATTERY POWERED REAPER
Harvesting of crop is one of the important agricultural operations which demand considerable amount of labour. The availability… 
2011
2011
Square Baler by star wheel sensor.
In de uitvinding is een afbuigplaat 30 aangebracht op de balenkamer 10 om zich uit te strekken door dezelfde gleuf 16 als de… 
2008
2008
Development of a Planisphere Interface Ajax Web System Based on a Constellation Database for Astronomy Education
Summary In this study, we build a database specialized for astronomical education. The database consists of the information that… 
2008
2008
Simple single screw compressor
The utility model discloses a simple single screw compressor which comprises a shell used for containing a screw rotor and a… 
2008
2008
Modules constituting a modular support structure used in the container processing device and the support structure
A module (4) in a support structure (5) for container handling machines (2), comprises a connecting bar (6) provided with bearing… 
2007
2007
Dynamics research on star wheel loading machine based on ANSYS
In view of the stress inconstant problem of the star wheel in the work process,by analyzing the star wheel loading mechanism of… 
2007
2007
Moving simulation of loading process of star wheel loading mechanism of roadheader
In view of the design of the star-wheel loading mechanism for a new roadheader, according to the movement characteristics of the… 
2006
2006
Determination of star wheel loading mechanism's lowest rotating speed of road-headers which don't jam
In view of the problem in the design of the present new-style star wheel loading mechanism, this article has confirmed the… 
2006
2006
Calendar mechanism for timepiece movement
The invention concerns an annual calendar mechanism for a timepiece including a date disc provided with a first inner toothing… 
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