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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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