Ballarat School of MinesBlack hard covered exercise book, contains index in front of book, written by P.J. McCarthy, covering experiments such as: the absolute density of water, focal length of concave mirror, law of repulsion between magnetic poles, fortin barmometer, Verniers, vaporization of steam, etc;density of water, focal length of concave mirror, law of repulsion, fortin barometer, verniers, ballarat school of mines, p.j. mccarthy

.1: Letter from H B Selby & Co Pty Ltd re the order for a Fortin Barameter. Asking for arrangement for Staff member to collect as it is very fragile. The glassware for the Regnault Vapour pressure Apparatus not previously sent has been forwarded. .2: Letter from the school to The Director Weather Bureau Melbourne. Outlines establishing a weather-observing station as part of general science. Mr McLachlin in Ballarat will guide the school as to method, procedure, records, etc List of equipment on loan - Stevenson Screen, maximum and minimum thermometers, wet and dry bulb thermometers, 8" rain gauge, cloud chart, instructions for reductions of barometer readings, weather code for transmission, record book. 2 Cream pages, typed .1: Letterhead for H B Selby & Co Pty Ltd - Black and red inks Signature of V T Parkinson, Managerballarat junior technical school, head master, l garner, h b selby, weather bureau, weather station, observations, fortin barameter, regnault vapour pressure apparatus, stevenson screen, maximum thermometer, minimum thermometer, bulb thermometers, rain gauge, instructions, weather code, record book