The box when closed is approx 9cm x 9cm and 4.5cm deep. The compass seems quite loose but I believe it’s the way it’s intended. The clock face looks stained but I think it’s meant to look like that too. The wood is in very good condition. See photos.
eBay
Good used vintage condition. Please see photos for more details.
eBay
GCA/Precision Scientific Wet Test Meter, is a collectible scientific instrument made in the USA. Used for measuring and monitoring the flow of liquids in various scientific applications. Works with flowing water, bubble level is working and glass is intact. Other functions are untested. In great condition for its age. See pictures for further details.
eBay
Here is a striking vintage medical instrument — a National retinoscope (circa 1950s–1960s) in its original fitted box. Though not fully complete, it’s perfect as a decorative / display piece for medical offices, vintage décor settings, or as a conversation starter. Photos are part of the description. Some parts missing.
eBay
This boxed vintage Beck binocular head for microscope is a rare and excellent example of scientific instrument. It is made of brass and was manufactured in the United Kingdom between 1951 and present. The microscope head is in very good condition and comes with a box for safekeeping. This collectable item is perfect for microscope enthusiasts and scientific instrument collectors alike. It is a great addition to any collection and is sure to impress. The Beck binocular head is a must-have for any serious collector and is a true gem for those interested in vintage scientific instruments.
eBay
However, I can and do. Mistakes can be rectified with communication and good humour.
eBay
From the set " Human Physiology " origially produced in 1888, however, i believe this dates from a later set. See photo 3.
eBay
Made in the USA and housed in its original Bakelite case with carry handle, this unit is perfect for collectors, display, or restoration. Cool industrial display piece. Model: PX-5.
eBay