124-J11-3 | UNI Museum @ Rod Library

Displaying 1 - 7 of 7

	Catalog #	Name	Description
1	1974.34A	Rotoscope	"The Ashdown". Patent numbers 201656, 228577, etc. Instrument 511 A. Device used to determine rpm (revolutions per minute) of engines' fly-wheels (maybe).
2	1974.34B	Crank	Crank to Rotoscope.
3	1974.34C	Case, Rotoscope	Medium sized wooden case that is painted black and closes with two swivel clasps, the proper left hoop is missing but the hook is still intact. There is one handle on the proper right side and it is gold and swivels and locks into place. Note in case: "Rex W. Pershug (unclear line) Rotoscope from John Deere Engineering. Aug. 6, 1974".
4	1979.51	Scientific Instrument	Engineering survey level, thought to have been used in railroad construction. a. Surveyor's telescopic scope; brass metal construction, milled to fit swivel base; adjustable eyepiece and end-sleeve; brass adjustment knobs (1/4" diameter) in front of eyepiece; underside of scope fitted with vertical screw and adjustment knobs and square bracket for attachment of scaled level. b. Front lens cover; brass metal cap, 3 vertical cuts on side knurled forward edge; interior surface stamed "O". c. Level; brass metal cylinder, liquid filled, clear glass top; brass metal ruled scale on top edge; fittings at ends for attachement to surveyors' scope. d. Swivel arm & adjustable base; horizontal brass metal tapered arm, vertical hinged clamp (yoke) for attaching of surveyors' scope; swivel arm turns on a double brass metal adjustable base plate, tension & directional adjustment knobs on upper plate, 4 level adjustment knobs between upper & lower base plastes, Iowa State Teachers College inventory sticker on upper plate, No. "10054", underside of lower base plate stamped with serial no. "10687". e. Screwdriver; round wooden handle, short steel blade, metal collar at end of handle stamped "Tuck". f. Adjustmen tool; small steel rod used to make adjustments on level, blued metal. g. Adjustment tool; small steel rod used to make adjustments on level, tapered at ends, faded blued metal. h. Carrying case; varninshed wooden box dovetail corner joins hinged lid; brass metal hinges, lock, latches & metal fittings, 4 circular rubber pads on bottom, 2 leather pads on inside lid; interior designed, fitted & padded with green felt to secure engineer's level; brass flange on bottom interior compartments for accessories & tools; maker's label inside lid, "W. & L. E. Gurley's Instrument manufactory, Established 1845, W. & L. E. Gurley, Manufacturers of Civil Engineers; and Surveyors' Instruments Troy N. Y. U.S.A.; brown leather carrying strap attached to exterior ends of box (strap is broken below metal buckle).
5	1996.29.1	Scientific Instrument	Specific gravity balance - Sixteen parts: a - p. a. Box. Wooden with hinged lid. Two hook closes on front "Fisher Scientific Co." tag mounted on front lid, center. Interior of box. "Made in Germany" stamped into front rim. Interior of box has wooden dividers and braces to hold the balance, weights, jar, etc. in place. Iowa State Teacher's College #10807 tag on underside of lid. b. Brass balance base. 3 legs; one leg is a screw. Adjustable height neck white, plastic rectangle with 15 tic marks that measure 1.5 cm. This is where the needle of the balance beam points. There is also a cradle for the balance beam on the upper right part of the balance. c. Balance beam has 9 steel pegs for carrying different weights. There is a nedle on the left-hand side. The beam rests on top of the balqance. d. Double-compartment jar. A glass tube shaped in an open figure 8. 13.7 cm tall with a small notch carved into the samller compartment. This jar sits on a glass base approx. 7.8 cm in diameter. e. Thermometer, 0 - 30 C. Bent in approx. 145 degree angle. A hook in the middle of thermometer rests on notch in double compartment jar. f. Glass plummet with wire strung through glass hook at top. Wire attaches plummet to brass weight with hook. Brass weight can be placed on peg on beam. 21 cm long from brass hook to bottom of plummet. g. Brass tweezers 9 cm long. h. Weight pan made of brass, nickel plated. Pan 4 cm diameter. Hook on underside, wire hanger on top. I. Perforated glass pan with 3 platinum wires forming a hanger. Pan approx. 4.8 cm in diameter. j. Brass weight. Cylinder shape with 5 cm brass hook. k,l. Metal weights, cylinder shape with one hook on top and one on bottom. m. Brass weight. Open rectangle in center with glass lining bottom of rectangle. Sides of weight have two "wheels" attached. Hook on top. n. Platinum wire loop 1 cm in length. o. Metal hook 3.4 cm in length. One hook on top facing right, one hook on bottom, facing left. p. Metal wire loop 3.7 cm long.
6	2016-23-1A	Scientific Instrument	Projector - A glass lens is attached to the front. A metal square where the images are held follows. Two circular glass pieces encapsulated in metal are behind the square. The end hold the metal piece that is used to activate the projector. It can be adjusted at the end.
7	2016-23-1B	Scientific Instrument	Projector Case - A long rectangualr wood case. The handle is broken leather. The case is bottomless as it slides over the object.