UP FOR BID: PICKETT & ECKEL Slide Rule Model 4-T with Soft Case Item is in very good condition. Middle rule slides with ease. Length is 12 1/8". Width is 2 1/16", exclusive of sliding window. PAYM

 

12 Inch Charrette Machine Ruler; Half Size - 10, Full Size - 50

 

This is an original Pen-Scope in it's box with instructions. The box is not in great shape and there's a ding on the pen. It is 6" long, .5" wide. Thanks for looking, be sure to check out my other ite

 

Four NIKON OBJECTIVE MICROSCOPE LENSES. This lot is four lenses for the front end of a microscope. Made by Nikon, Made in Japan. Lenses are used, but in good condition. These are the following: is a 4

 

YOU ARE BIDDING ON... cesco safety goggles dark lens for sunglass look, leather strap on nosepiece red swirl bakelite plastic frames, one chip on side of black part, but not too serious and does not a

 

Comes with extra erasers! Runs Great!

 

Vintage, Eugene Dietzgen Company Drafting Tool Set 12 pieces. Tools are in good condition but the 3 compass/calipers do have some rust. The case is cracked and well worn due to age. This would make a

 

Antique / Vintage BRASS Regulator W Bishop-Babcock Becker Co Gauge Cleavland OH with number S 78320. Item is in used untested condition. Thanks for looking and feel free to ask any questions.

 

From The 50's An Unused New Post Pocket Slide Rule 4 1/2 Inches Long--Made Of Bamboo In Japan--Leather Carrying Case-- Comes Complete With Instructions And Notes About Slide Rules-- Original Box Has S

 

Glasses come with hard case that is in very good condition.