You would be bidding on a Keussel & Esser Co. Surveyor from 1964. It comes with a box and an attachment. The number on it is N5116P Serial number 64964.

 

Vintage Princo pocket sling psychrometer in good working condition with all parts including leather case. Please message me with any questions. Posted with eBay Mobile

 

I'M SELLING THESE FOR SOMEONE ELSE AND I KNOW NOTHING ABOUT THEM. WHAT YOU SEE IN THE PICTURES IS WHAT YOU GET. THERE ARE 6 TOKENS. YOU SHOULD BE ABLE TO SEE ALL DATES AND ENOUGH DETAIL TO GRADE THEM

 

Absolutely superbly engineered scientific instrument dating back to late 19th Century, early 20th Century. Stainless steel of highest quality. Intricate, delicate and accurate. By opening the instrume

 

Here's an unusual find! A genuine Pickett & Eckel Military Slide Rule. This is vintage, rare and in nearly perfect condition with all indices clear and legible! As premium quality as things like t

 

Highly unusual and rare 1966 Keuffel & Esser vintage ANALON ENGINEERING-SCIENCE ANALYSIS SLIDE RULE - with case and Instruction Manual. One of the rarest of K&E slide rules and one that utiliz

 

JOY MINING STICKER

 

The label on this slide says: "Oxalic Acid" Carefully packaged in boxes. Thank you for your interest.

 

Sticking Tommy mining candle holder. Has a point to stick in a timber or in a rock crevice. Also a hook to hang over a wood beam. Just under 10 inches long. Has two gold weld marks. Possibly a hook re

 

Here's a Taylor Instrument Company Altimeter in the original box. It has the original paper brochure inside with instructions. Box, paper and instrument are in excellent condition. Please add .85 cent