Black and white photograph of cyclotron equipment stored in white envelope entitled “”Cyclotron - Photographs around the vacuum chamber from J.L. Rouse (Feb 1991)” Very similiar to 237 and 238

Black and white photograph of cyclotron equipment. Man seen standing next to and indicating equipment. Stored in white envelope entitled “”Cyclotron - Photographs around the vacuum chamber from J.L. Rouse (Feb 1991)”

Black and white photograph of cyclotron equipment displayed on bench. Stored in white envelope entitled “”Cyclotron - Photographs around the vacuum chamber from J.L. Rouse (Feb 1991)”

Black and white photograph of cyclotron equipment displayed on bench. Stored in white envelope entitled “”Cyclotron - Photographs around the vacuum chamber from J.L. Rouse (Feb 1991)”

Black and white photograph of cyclotron equipment displayed on bench. Stored in white envelope entitled “”Cyclotron - Photographs around the vacuum chamber from J.L. Rouse (Feb 1991)”

Black and white photograph of cyclotron equipment displayed on bench. Stored in white envelope entitled “”Cyclotron - Photographs around the vacuum chamber from J.L. Rouse (Feb 1991)”

Black and white photograph of cyclotron equipment displayed on bench. Stored in white envelope entitled “”Cyclotron - Photographs around the vacuum chamber from J.L. Rouse (Feb 1991)”

Black and white photograph of cyclotron equipment displayed on bench. Stored in white envelope entitled “”Cyclotron - Photographs around the vacuum chamber from J.L. Rouse (Feb 1991)” Similiar to 247

Black and white photograph of cyclotron equipment displayed on bench. Stored in white envelope entitled “”Cyclotron - Photographs around the vacuum chamber from J.L. Rouse (Feb 1991)” Similiar to 246, 248-250

Black and white photograph of cyclotron equipment displayed on bench. Stored in white envelope entitled “”Cyclotron - Photographs around the vacuum chamber from J.L. Rouse (Feb 1991)” Similiar to 246-248, 250

Black and white photograph of cyclotron equipment displayed on bench. Stored in white envelope entitled “”Cyclotron - Photographs around the vacuum chamber from J.L. Rouse (Feb 1991)” Similiar to 246-249

Glass rectangular slab stored in brown cardboard box.?? Stamped on back of box: “ExD 40 3453A ECLORTRA” (this may be unrelated)

100 gram standard calibrated platinum cylindrical weight NPL No A’39 / 60549. Stored in varnished wooden cylindrical box with black lining and screw on lid. (certificate not located) 97.1 = box 97.2 = lid of box 97.3 = weightOn weight: “100 GRM” Carved on base of box: “41142”. On top of box: “NPL.A.’39 / 60549”

2 slides (54.1 & 54.2) wrapped in paper and stored in a small hinged metal chemist’s pill box (54.3). ;Also an unidentified 8.5 cm (graphite?) stick (54.4) Slide 54.1 is wrapped in paper and identified as “very precious”. On the slide is printed: ONE INCH divided into hundredths. In ink: “Dup. Beck. Retain.” Next: 1-14 in. cover glass. Then printed: Ruled on glass. H.J. Grayson. No. 2 Slide 54.2 is also wrapped in paper. Ruling can be seen under 3/4 iin. cover glass. Carries labels: “760 or 1/60 xxxx” and “60,000 # good”. On the wrapping paper: “Grayson Test Ruling, given to me by the late Mr W Stone.” Signed: W.M. Holmes, 18.9.50 In differnet penmanship: “Labelled 60,000 gtooves #. White sticker with red bars. Placed in display cabinet 13.8.71 J J McNeill.(All this transcription by EGM)Label On 54.1: “One inc divide into hundredths Dup Beck Retain. Ruled on glass H.J. Grayson No.2” Labels on 54.2: “60”, “60,000# good”. Label on box (54.3): “Grayson Test Rulings 60,000 from W.A. Holmes, Balmoral Ave, Kew”. On metal stick (54.5): “S.F.342” (Prior description by Anna)

Planimeter consisting of brass disc and measuring instrument made of white disc and attached bar. To measure area up to about the size of one A4 page. The instrument is stored in a black hinged box with purple velvet lining and small metal catches. Instruments instructions are attached to a label on the inside of the case. A small key is attached to the case lid by string. (23.1 = box, 23.2 = brass disc, 23.3 = planimeter)On planimeter (23.3): “G.Coradi Zurich Switzerland No. 3509” On box (23.1): “Nat. Phil. Lab. No. 1199, Gebr Wichmann Berlin”

7 flat discs (battery like) with diffraction gratings (55.1-55.7). surface rectangular rulings extend mostly 15mm . stored in specially converted metal hinged cigarette box (55.8) with wooden compartments

Polished metal cylindrical X-ray dosimeter stored in red rectangular cardboard box. 26.1 = box 26.2 = dosimeterEngraved on dosimeter: “C1948” On box: “C.K. Dosimeter”;”Sole Distributors Cinema Television Ltd Lower Sydeham London S.E.26”

Round glass lens stored in rectangular cardboard box with lid and supported by cotton wool.On inside of box in pencil: “20/1/40 (?dictatomigialls of l/4). On top of box: “wray flat”.

8 micrometer (microscope) test slides stored in wooden box with storage slots. Cardboard label inside box: “From Melbourne University Physics Dept Museum. Probably Grayson trials or William Stone” “ Microrulers/W S” on lidOn box: “Micronmemters W.S.” On 43.2: unlabeled, with glass rectangle 30x10mm cemented on microslide On 43.3: red and gold emblem/”Micronmemter 100 and 1000 in an inch” On 43.4: “Depth 0.10 mm; contents of 4 squares 0.001 C.mm ” On 42.5: unlabeleed square 9 x 7 mm. On 43.6: “1/100 1/500 inch” On 43.7: “200/inch 500/ inch 1000/ inch 2000/ inch” On 43.8: “1/100 1/500 inch” On 43.9: “Heavy lines up to 70,000. Higher Lines broken up” : “120X”(??)

Part of the Laby CollectionCanon tele-converter camera lens stored in black accessory boxoptical equipment

Camera and accessory box with accessories and handbook stored inside.