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

 

Vintage Russian Bakelite Barometer Hygrometer ThermometerMade in USSR 1960's Used: This Barometer in good condition. In some places there are a few small scratches. The scale is a little erased. ( see

 

Brass Van Cort “Companion” Pocket Kaleidoscope Up for auction is a Brass Van Cort “Companion” Pocket Kaleidoscope. In very nice condition, comes with original box. Measures 5 1/8" in length. �

 

Being offered in this listing are two Architectural Engineering Triangular Scale Rulers; Central No. 910 & 912 U.S.ST'D. These are pre-owned triangular scale rulers. Together, they provide 12 diff

 

 

Item to be paid in 3 days. Thanks for the looks, Jim Posted with the eBay Android app Posted with eBay Mobile

 

This is for an unusual vintage metal pencil sharpener with a built in compass. The sharpener is elongated to house the compass at the end and the compass has a glass top and blue steeled pointers. It

 

A VERY NICE EXAMPLE OF AN RAAF STAMPED ICAN NAVIGATIONAL COMPUTER FROM WW2. STILL RETAINS THE THIGH PADS AND STRAPS. PLEASE STUDY PHOTOS AND CONTACT WITH ANY QUESTIONS.

 

Vintage Pickett N 3-ES SLIDE RULE Power Log Exponential Dual Base in Hard Lined Leather Case. This slide rule is in very good to excellent condition, no major issues of any kind, straight, good corner

 

No scratches on the glass. Delivery will be made 48h after item payment, it will arrive depending the post office schedule and custom office. If after seven days of purchasing the item, payment is not