Re: [MATHEDCC] Retention

John Bartlett (bartlett@CAMOSUN.BC.CA)
Wed, 16 Apr 1997 16:35:32 -0700

I've never heard of a "document camera" but it sounds like the old
fashioned opaque projector. This was ok in dim light but had a tendency
to unglue the bindings of texts. Things get awful hot. I wonder what it
would do to a calculator.

yoshiwbw@SMTPLINK.LACCD.EDU wrote:

> The department is going to purchase a DOCUMENT CAMERA aka OPAQUE
> CAMERA. I've not used one, but I'm hoping I can use one to solve a
> few problems at once. This contraption is supposed to project an
> image of whatever you place on its stage--an ordinary piece of paper,
> a calculator, a textbook, etc. If it works well enough, we will have
> no need of overhead transparencies, nor of calculator overhead LCD
> panels.
>
> If anyone out there can give me any sage counsel or useful info about
> document cameras, I'd be obliged.

-- 
Regards, John.
_________________________________________________________________
John Bartlett		    bartlett@camosun.bc.ca
Instructor, Camosun College Office (604) 370 3305
3100 Foul Bay Road	    http://camosun.bc.ca/~bartlett/
Victoria, BC, Canada	    fax (604) 370 3660
_________________________________________________________________

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