HALDEN CALCULEX CIRCULAR SLIDE RULE WITH CASE & INSTRUCTIONS Original two compartment case holding the slide rule & instruction book Book is 95 pages in excellent+++ condition- complete with n

 

This auction is for one empty blasting caps tin marketed by the Hercules Powder Company of Wilmington, Delaware. The tin is in very nice condition with minimal edge wear and handling marks. It has a p

 

Staedtler Mars Electric Eraser Blue (527-00) USED

 

THE ITEM WITH THE PENCIL IN IT IS MARKED DIETZGEN W. GERMANY. IT MEASURES APPROX. 7" LONG. THE ONE WITHOUT THE PENCIL IS ALSO MARKED DIETZGEN. THEY SEEM TO BE IN GOOD WORKING CONDITION. THE NEXT ITEM

 

Two slide boxes from the collections of R.S.Bagnall (https://en.wikipedia.org/wiki/Richard_Siddoway_Bagnall) Very nice condition for age, hinges and clasps perfectly sound, some slight scuffing to cor

 

I am 73 years old and my parents bought this drafting set for me when I started high school. It cost $15 at the time and that was a lot of money for my family back then. Case shows wear but not really

 

This is a very good quality old pocket barometer, it has a double dial, one side has the barometer, the other dial also has a thermometer and compass which seams to be in working order, surely one of

 

This is for this nebuliser as shown which is in good working condition. The case has some scratches on it but mainly on the base other wise in good clean well looked after condition with no chips or c

 

Hello:) up for auction is the super clean and lightly used CURTA Type II calculator. I'm not exaggerating when I say super clean. This unit is in fantastic condition with no visible signs of wear. It'

 

Kelmar Pow'r House Electric Motor Assembly Kit with Power Transformer...circa 1946...complete and un-built motor kit with all parts mounted in box, 33 page instruction book and blueprint style assembl