The present invention provides a mounting mechanism for a removable bollard, which has high flexibility and convenience for the removal and reinstallation of the bollard and the socket for inserting the bollard can be covered without having additional devices after the removal of the bollard.
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The present invention provides a mounting mechanism for a removable bollard, which has high flexibility and convenience for the removal and reinstallation of the bollard and the socket for inserting the bollard can be covered without having additional devices after the removal of the bollard.
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An Apparatus For Use With A Source Of Light Including A First Orientation Device That Includes A Latitude Scale, A Latitude Pointer Rotatable About A First Axis Relative To The Latitude Scale, And A Platform Configured To Support An Architectural Model. The Platform Is Mounted On The Latitude Pointe.....
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Michael Kin Wai SIU
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An Apparatus For Estimating A Shadow On A Scaled Figure Is Presented Herein. The Apparatus Includes A Circular Disk With A Lines Corresponding To The Declination Angle Of The Earth With Respect To The Sun At Particular Dates Of The Year. The Apparatus Also Includes Arcs On The Circular Disk Which Co.....
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