Up for auction are three vintage slide rules all show some wear but are in Good Vintage Condition. One Charles Bruning CC. #2401 made in U.S.A. with original leather case, a Monarch Reley #slr-5 made

 

Here we have a really nice Vintage Skull Guard Miners Helmet. This one was used mere in and around the coal mines in Pennsylvania. Winning bidder pays $7.00 S & H. Good Luck

 

up for auction is this wonderful example of a vintage fractomator. has the original pencil/slide tool on its side. has the original cover. thanks for looking

 

"Vintage" DUPONT PLUNGER BLASTING MACHINE Don't let these slip by. Please review the picture or pictures, this item is being Sold As Is, therefore No Refunds. Payment due within three days after sale.

 

Here is a ship's clinometer , The center needle can show 90 degrees on port and starboard , two red needles for reset . The glass dia. 19.5 cm. The dial also show : EIWA SKEIKI CO., LTD. OSAKA . It's

 

VINTAGE ALVIN PRECISION DRAWING SET 129 JS MADE IN GERMANY THE CASE DOES HAS A LITTLE CHIP ON THE CORNER PLEASE WAIT FOR INVOICE BEFORE PAYING ITEMS SOLD AS IS WILL DESCRIBE EVERYTHING THAT I SEE IF S

 

IMPORTANT-PLEASE READ BEFORE PLACING ANY BIDS!: IF THIS ITEM IS MECHANICAL OR IS SUPPOSED TO MEASURE SOMETHING WE DO NOT KNOW IF THIS IS IN WORKING CONDITION, UNLESS WE POST OTHERWISE, CONSIDER THIS A

 

ANTIQUE VINTAGE SPENCER Monocular Medical Microscope Original Box WITH KEY APPROX. 1930'SCOMPLETE WITH EXTRA LENS, COLOR LENS SKINS, PAPERWORK ETC... THIS IS A BEAUTIFUL PIECE OF HISTORYA GREAT ARTIFA

 

Corki Weeks Brass Swirl KALEIDOSCOPE Very nice brass kaleidoscope made by California artist Corki Weeks in the 1980s i believe. It has very nice brass exterior case and a beautiful continually changin

 

Item is in Like new condition item has barely any visible marks on it. Pretty much flawless. MINERVA OPISOMETER Swiss-made Minerva Opisometer or Curvimeter for measuring non-linear distances, as on a