Light green embossed fabric bound hardcover book with gold title. 413 pages.N.F. Barret hand written on outer pagesgeological formation, sewerage, springs, pumping machinery, wells, bores, reservoirs, drainage, bagshot sand, filter beds, geology of england, cornish engines, waterworks

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Gus. Ampt and Professor Hartung examining experimental pots of optical glass; the pots have been halved in order to make the examination..In ink on lower left hand corner : “37”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Professor Hartung trmoving experimental pot of optical glass from furnace.In ink on lower left hand corner : “36”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo showing telescopic view of landscape through ocular of a dial sight. Image is coincident with graticule with horizontal and vertical scales. (see worksheet for diagram).In ink on lower left hand corner : “35”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of R.D. Hill and H.A. Waters assembing/operating dial sight (same equipment as held by T.H. Laby in no 122.3/273 in Vol. 1/2)In ink on lower left hand corner : “34”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Bill Caldwell operating dial sight on tripod.In ink on lower left hand corner : “33”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of H.A. Waters operating instrument on tripod. Two rotary switches marked “Graticule”, switch positions “Off On”; similarly “Vernier” -- “Off On”.In ink on lower left hand corner : “32”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of P.G. Law & J.B. Willis operating optical dial gauge comparator.In ink on lower left hand corner : “31A”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Mr Kakanine, draughtsman, draawing graphic design plans.In ink on lower left hand corner : “31”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo showing Gordon Crickmore using compass on drawing board. Same photo as 267In ink on lower left hand corner : “16”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo showing close up of glass optical flat in case. Photographed label reads: “Glass optical flat. Made by Natural Philosophy Laboratory. Melbourne University. Certificate Number 18. Accuracy of surface, flat within .000,001 (unmarked surface). Accuracy of surface, within .000,002 inch (marked) “use other side”. A photograh in Cd red light of the interference fringes of this flat when placed on a standard glass flat is shown above. Initials: [signature]. Tests made by: [VDH signature]. Certificate issued by T.H.L. Date: Feb 19th 1941.In ink on lower left hand corner : “17”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of E.R. Johnson using equipment.In ink on lower left hand corner : “18”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Notman working on graphic art.In ink on lower left hand corner : “19”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of E.R.Johnson testing fused sandwiched plate glass in a polarimeter. N.B. As at time of writing it is not certain that the “man” pictured in nos. 147 and 149 is the same individual as pictured in no 140. (EGM. 11/11/99)In ink on lower left hand corner : “20”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of R.L.Abbey looking through telescope of optical spectrometer..In ink on lower left hand corner : “21”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo shows Eric Burhop operating an optical pyrometer ....with possibly a vacuum furnace?In ink on lower left hand corner : “22”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Optical Munitions Panel meeting (September 1943) of 11 members: L to R: Lt. Col. G.H. Adams; G.H. Briggs; Mr (Sr) Richard v.d.R. Woolly; E.O. Hercus; H.J. Frost; Prof. Kerr Grant (S.A.); Prof. T.H. Laby; Harrigan; J.S. Rogers; Prof. A.D. Ross (W.A.); Prof. T. McAuley (Tas)In ink on lower left hand corner : “23”

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo showing four assorted optical prisms on a black background. A fifth specimen shows a sandwich glass “prism” assembly prior to cutting and polishing. In ink on lower left hand corner : “25”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Bob Caldwell cutting through glass “sandwich” using a diamond saw.In ink on lower left hand corner : “26”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of man, possibly Eric Johnson, assembling glass “sandwich” prior to fusing. N.B. As at time of writing it is not certain that the “man” pictured in nos. 147 and 149 is the same individual as pictured in no 140. (EGM. 11/11/99) Same photo as Reg No. 268In ink on lower left hand corner : “27”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Peter Law and A.C. Goodwin examining optical glass specimens.In ink on lower left hand corner : “28”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of man, possibly E. R. Johnson, examining rectangular glass “sandwich” block in light. N.B. As at time of writing it is not certain that the “man” pictured in nos. 147 and 149 is the same individual as pictured in no 140. (EGM. 11/11/99)In ink on lower left hand corner : “29”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of J.L. Richardson and -- Dean using an optical bench to test a lens. Lab books are also visible.In ink on lower left hand corner : “30”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of W.G. Kannaluik operating an Abbe refractometer.. (For 122.2 see record no 273: ditto as for 122.1 ... photo of TH Laby) In ink on lower left hand corner : “1”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of W.E.Agar manipulating an apparatus (possibly a sort of pantograph)In ink on lower left hand corner : “3”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Fred Caldwell operating a stereoscope.In ink on lower left hand corner : “4”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of G.F. Dainty (with equipment unidentifiable)In ink on lower left hand corner : “5”.

Part of a series entitled “Optical Munitions - School of Natural Philosophy, 1942-1945”. Black and white photo of Fred Caldwell looking through instrument.In ink on lower left hand corner : “12”