Cambridge: Harvard University Press 1968. First Edition. xi, , 204 pages. Original publishers red cloth. Ex-library with institutional sticker on front pastedown and evidence of several stickers removed from rear cover. This copy INSCRIBED by Wheatland: "To Fred Kilgour who was practically the first to put on a show in the Widener of some of this apparatus 30 to 35 years ago. 2 May 1975 David Wheatland." Clean copy with a sound binding. Clean internally, no evidence of foxing or other damage. Very Good. Cloth. 
Contains chapters on telescopes, astronomical measurement, astronomical models, clocks, surveying and draftings, mechanics, hydraulics, vacuum, light, sound, electricity, magnetism, chemistry, microscopes, biological specimens, and mineralogical speciments. Many of the photographs (both color and b&w) are full page.