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                                                    Keuffel & Esser Co.

                                                            Extra Fine
                                      Engineer's Expedition Transit
    Model number 5079


    This transit is the smallest made by Keuffel & Esser, it is commonly referred to as a
    Explorer's Transit. It is only 9 inches tall with a 8 inch long erecting image telescope.
    This model was normally offered with a 6 inch long telescope with slightly shorter
    standards. This type of transit's standards are usually referred to as a Twisted Frame.
    It was made in 1903, and is in near new condition. It has a 4 inch diameter one minute
    horizontal circle, a 3 inch diameter one minute vertical circle, a 14 power erect image
    telescope with 1:100 ratio stadia, a 35 second telescope level vial, a 2 inch long
    compass needle. The tripod thread size is 2.265 inches X 16 threads per inch. It has
    with it a 2 ounce plumb bob, oil can, spanner screw driver, two adjusting pins, sunshade,
    lens cap, right angle eyepiece prism with sun filter, and its mahogany box which measures
    11 inches high, 9 1/8 inches wide and 5 5/8 inches deep outside. Sorry it is not for sale.
    I know of only six other "Twisted Frame" Expedition Transits by K&E.

    Click on a thumb nail photo for larger image.




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