For sale is the last production 5 inch Alvan Clark telescope tube only. This is a fully baffled aluminum tube with mounting studs
and non-engraved tailpiece. Also included are late model focuser
parts, lacking the pinion gear. No lens cell. Asking price is $450.
Also for sale is an 1892 Alvan Clark brass 5 inch (female) lens
cell; this is for a smaller diameter tube than the aluminum one
but can be adapted. Asking price is $180.
Next is an Alvan Clark terrestrial eyepiece. The optics are good,
but are in need of cleaning after being gently coaxed out of the tube
assembly. Asking price is $380.
Last is a factory 5 inch lens cap for a later ("Corporation") Clark
refractor. Heavy brass with brass sides. Asking price is $165.
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