648. 5-1/2" long
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic648a.jpg)
649. 5-3/4" long, unidentified piece of hardware sent in by a visitor, patented Oct. 12, 1897:
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic649.jpg)
650. 14" long
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic650c.jpg)
651. 19" long
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic651.jpg)
The metal parts sticking out from the two hubs are connected where they cross.
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic651a.jpg)
After loosening the set screw, the hub on the left can be pulled to cause the pieces to retract.
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic651b.jpg)
652. Partial/close-up shot:
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic652aa.jpg)
Click here to see more of this one.
653. 29" diameter, 6" wide
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic653.jpg)
Answers
Last week's set is seen below, click here to view the full post:
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/set9.jpg)
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic648a.jpg)
649. 5-3/4" long, unidentified piece of hardware sent in by a visitor, patented Oct. 12, 1897:
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic649.jpg)
650. 14" long
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic650c.jpg)
651. 19" long
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic651.jpg)
The metal parts sticking out from the two hubs are connected where they cross.
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic651a.jpg)
After loosening the set screw, the hub on the left can be pulled to cause the pieces to retract.
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic651b.jpg)
652. Partial/close-up shot:
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic652aa.jpg)
Click here to see more of this one.
653. 29" diameter, 6" wide
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/pic653.jpg)
Answers
Last week's set is seen below, click here to view the full post:
![](http://img.photobucket.com/albums/v80/harnett65/Album%203/Album%204/set9.jpg)
4 Comments:
>651 looks like a cable/rope winder...
Correct
By
Rob H., at 4/28/2006 4:03 PM
Forgot to put this in my previous comment, I added a link below 652 that shows more of the image.
By
Rob H., at 4/28/2006 4:09 PM
652 An aircraft horizon gauge.
By
Anonymous, at 4/28/2006 6:42 PM
>652 An aircraft horizon gauge.
Yes, that's it.
By
Rob H., at 4/28/2006 6:53 PM
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