CURTA MECHANICAL CALCULATOR HANDBOOK IN GREAT USED CONDITION AN AID TO EVERY DAY FIGURING PROBLEMS, TABLES, FORMULAS, AND ARITHMETICAL RULES. THIS BOOK IS 64 PAGES OF INFO THAT WILL TEACH YOU EVERYTHI

 

Specifications: Name: 4D Human Anatomy Model dimensional puzzle 1:1 human kidney anatomy teaching aids Package Length: 29.5 cm Package Width: 22.8 cm Packaging Height: 6.9 cm Packing list: human kidne

 

Neat old Pyrex glass sterilizer with insert tray Used.Clean. Measures 101/2 by 41/2 by 3 inches tall

 

Old UV Condenser from Carl Zeiss. Suitable for older Universal microscope systems. 0.8 NA. Aperture diaphragm control. Good condition. PayPal. Ship to USA or Canada

 

VINTAGE MICROSCOPE SLIDE. N.B.S. WATER BOATMAN. SEE IMAGES FOR CONDITION. EXCELLENT. I AM LISTING MORE ANTIQUE MICROSCOPE SLIDES OF VARYING SUBJECT MATTER OVER THE NEXT FEW MONTHS. AS BEFORE, I ONLY C

 

Alro 200R Very rare dutch circular slide rule ALRO 200R After 2 years I have started again to sell some of my slide rules and some other interesting things about calculating. I offer a very rare dutch

 

Estate find. Appears to work properly. Well made. Very sturdy. Solid wood. Looks like brass back and legs. Made for local company advertising. Name of company and telephone number written on face. Cop

 

Up for auction is a 1800's. KEUFFEL & ESSER Co. NEW York and 74482 this is an Engineer's Mountain and mining Transit model 74482 it belongs in a Museum for sure . There are clamps and tangent scre

 

In Outdoor Weather Station Barometer Stainless Steel In - Outdoor Weather Station In Brushed Stainless Steel With Barometer, Thermometer & Hygrometer. This Weather Station Is New & Boxed And D

 

INVALID FEEDING FEEDER CUP UNUSUAL PATTERN WITH HOLLY AND BERRIES IN GOOD CONDITION NO CHIPS CRACKS OR REPAIRS