Spencer Portable Folding Microscope Model 60H, serial number 41535

Description

Spencer (Buffalo, N.Y.) Portable Folding Microscope Model 60H, serial number 41535. The microscope has a substage condenser and iris, a three objective nosepiece, and a graduated extendable tube.  This microscope's base folds up to fit into an aluminum case. The case has a graduated mechanical stage, a 2 in. circular mirror and a larger flat mirror.  The glass of the flat mirror is cracked across the middle.  It  also has an adjustable accessory pinhole type attachment possibly for dark field illumination along with a metal immersion oil dropper.  There are 3 objectives, one marked 8mm (pos 20x although not marked),  one 10x (16 mm), and an oil immersion 95 x (1.8 mm} objective.  There are two objective cans that cover the longer objectives when in the case. Two eyepieces 6x and 10x are included.  A container for slides and coverslips are also part of the case. An extra 44x Spencer objective is included. This objective has some corrosion of the brass, but the lens itself appears fine.