NavList:

I couldn't find a model number. It says "Tool Shop" on the side and
nothing more. I got mine at a "Menards" which is a Midwest chain of
super hardware stores. You might also try Home Depot.  I found a seller
on ebay who has them. It is item number 4457576147. It will cost you $7
for the laser plus another $7 for shipping (a few dollars less for
those of you in the Midwest). Another seller had the laser plus a
tripod.

For everybody else, the nice thing about a carpenter's laser level like
this one compared to a laser pointer for presentation use is that it is
designed to sit with some steadiness on flat surfaces, it has built-in
bubble levels, a standard threaded hole for tripod mounting, and a
"fixed state" on/off switch (some hand-held laser pointers make you
keep your finger on the switch).

By the way, in another reply, Herbert mentioned placing the laser level
on the sextant frame. Just so there's no confusion, this is for the
separate process of telescope collimation which I demonstrated, more or
less, during one of our sessions in Mystic. For measuring index
correction, the laser is positioned behind the telescope --roughly
where the observer's eye would be in normal use. The flat frame of a
carpenter's laser helps in both cases.

-FER


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