day and night telescope or spy glass,brass w wood on ajustible focus slider

its a day and night telescope all brass except for the focus slider section ,that is a wood looking material it may be wood.all the lenses can be tooken out,the whole telescope comes apart i guess to replace the lenses.its got brass lens covers that can be sliden shut on each end of the scope.it sure is long it must of been hard to focus if you have short arms,unles i am holding it wrong.i would like a appraisel on it if i ever sold it please.sorry the woods not on the slider part you will see in the picture.

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