Here is a blank make your own slide rule kit from Dyna-Slide. There is a no 21 blank with a sealed envelope that I assume holds the hardware and an instruction book. Not a common rule to find, get one

 

Hello ebayers, For sale is my original classic Tasco 1959 10TE Solarama long-focus refractor made by Royal Optical Co. of Japan. This beautiful classic scope is a 1200mm FL at f16 and 76.2mm dia. The

 

THESE STICKERS NEVER USED AND IN EXCELLENT CONDITION. PLEASE SEE MY OTHER AUCTIONS. I PREFER PAYPAL. Please make payment within 10 days of winning auction ALL ITEMS SOLD AS ISS/H WILL BE 2.50 ONLY NO

 

CYANAMID NITROGEN PRODUCTS AND GLF COLLECTIBLE THERMOMETER  10" DIAMETER

 

This auction is for the order forms and book- all 10 forms are there (used duplicate copy, of course). It appears that the cover and forms were originally held together with staples, which have been r

 

Check out my other items! (Click on the symbol to see the other kaleidscopes in my store!) Award-winning design, one-of-a-kind, stained glass kaleidoscope, signed by artist. Completely handcrafted by

 

Appears to work just fine Barometer, thermometer, hygrometer Small crack on barometer...see pics Approximately 7 inches long and 4 1/4 inches tall As seen on Real Milwaukee with Tony ClarkQuestions ca

 

4 3/4" and looks really nice. Unfortunately, there is a crack across face. The setting knob is also loose. I don't know if this can be repaired or maybe used for parts. ??? Please check the other item

 

This microscope is as found. It is missing some of the instruments (shown in photo) and I could not get the light to work after I plugged it in. Otherwise It appears to be in good condition, in its or

 

This is either vintage or antique, not sure of the age of it, it came from the estate of a local Doctor who had a massive collection of medical items. The little box is wooden, 1 3/4" x 2 3/4" x 1 3/4