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From the collection of The Ed Muirhead Physics Museum

469 Items featured online

MicroscopeSlides with box

Physical description

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)

Inscriptions & markings

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)