Dual scale calliper 12 cm x 0.1 mm and 0-5x0.05 inches, For inside and outside measurements in metric or English units. Ideal for learning precision measurement techniques. Locking pin secures readings, and knurled thumbwheel permits fast, easy measurements. Plated steel. Supplied in cardboard case.
Horizontal Reading, graduated on both edges in centimeters and millimeters, one edge reading 0 to 100 left to right, the other edge in reverse. Fabricated out of best quality seasoned hardwood.
For measurement of small outside diameter, thickness, etc. Ideal for engineering and technical schools to teach the working of this instrument. This micrometer consists of a frame of solid brass body with a chrome satin finish and a hardened steel screw along with stainless steel rod. It is provided with a ratchet and a locknut for accurate readings. Zero adjustment is possible. Micrometers scale has pitch of 0.05 inches and the least count of 0.001inchs.
Brass dial head about 40 mm. dia., divided in 100 parts registering on vertical scale 10-0-10 mm., on metal black painted frame. Lead Screw & three legs (40 mm. Separation) are of mild steel .
Horizontal and vertical scales of stainless steel. The cast iron base is fitted with levelling screws with the top duly machined over which slides a metal carriage. Slide can be clamped at any position by means of clamping screws. Fine adjustment for final reading is with a micrometer screw. A vertical slide operating in a similar way is fitted on the horizontal carriage. The microscope with rack and pinion is fitted on this vertical carriage and can be clamped in a vertical or horizontal position. Stage for placing objects for measurements is fitted with perspex plate. Achromatic lenses have been used. Slides travel 165 mm horizontally and 140 mm vertically. Scales are accurately divided. Vernier reading 0.02 or 0.01 mm. The unit is packed in wooden polished case.
