| Call number | Item |
| Q | Science (Go to start of category) |
| QB-QE | Physical Sciences (Go to start of category) |
| QC | Physics (Go to start of category) |
| QC100 .U555 no. 266 | ![[X-Info]](http://onlinebooks.library.upenn.edu/infouc.gif) United States government master specification for indigo blue denim (unshrunk). Federal specifications board. Specification no. 257a. <Rev. June 15, 1925>. (Washington : Govt. print. off., 1925), by United States. National Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 267 | United States government master specification for wiping cloths. : Federal specifications board specification no. 260 ... ([Washington : Govt. print. off., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 268 | United States government master specification for steam hose. : Federal specifications board specification no. 49b. ([Washington : Govt. Print. Off., 1925]), by United States. National Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 269 | United States government master specification for rubber-metal gasoline hose. Federal specifications board specification no. 136a. ([Washington, Govt. Print. Off., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 271 | United States government master specification for rubber gloves for electrical workers. ([Washington, Govt. print. off., 1925]), by United States. National bureau of standards. [from old catalog] (page images at HathiTrust) |
| QC100 .U555 no. 272 | United States government master specification for brown cotton sheeting. : Federal specifications board specification no. 301 ... ([Washington : Govt. Print. Off., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 273 | United States government master specification for bleached wide cotton sheeting. Federal specifications board specification no. 303 ... ([Washington, U. S. Govt. Print. Pff., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 275 | United States government master specification for builders hardware (except for marine use or for hollow metal doors). Federal specifications board specification no. 336 ... ([Washington, Govt. Print. Off., 1925]), by United States. National Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 276 | Motor-vehicle headlighting. (Washington, Govt. print. off., 1925), by United States. National Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 283 | United States government master specification for stitches, seams, and stitching. Federal specifications board specification no. 384 ... ([Washington, Govt. print. off., 1926]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 284 | United States government master specification for rubber bands. Federal specifications board specification no. 64a. ([Washington, Govt. Print. Off., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 285 | United States government master specification for slate-surfaced asphalt prepared roofing and shingles. ([Washington : Govt. Print. Off., 1925]), by United States. National Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 287 | United States government master specification for asphalt-saturated woven cotton fabric for waterproofing. Federal specifications board specification no. 294 ... ([Washington, Govt. Print. Off., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 288a | United States government master specification for hose, tender (corrugated) ([Washington, Govt. print. off., 1926]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 289 | United States government master specification divers' hose. Federal specifications board specification no. 44b. ([Washington, Govt. Print. Off., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 290 | United States government master specification for gas hose. Federal specifications board specification no. 40b. ([Washington, Govt. Print. Off., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 291 | United States government master specification for water and wash deck hose. Federal specifications board specification no. 48b. ([Washington, Govt. Print. pff., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 292 | United States government master specification for water-suction hose (smooth bore). Federal specifications board specification no. 50a. ([Washington, Govt. Print. Off., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 293 | United States Government general specification for textile materials (methods of physical and chemical tests). ([Washington : Govt. Print. Off., 1925]), by United States. National Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 297 | United States government master specification for refractories, fire clay, plastic. ([Washington, Govt. print. off., 1926]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 297 | United States government master specification for plastic fire-clay refractories. Federal specifications board specification no. 335 ... ([Washington, Govt. Print. Off., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 298 | United States government master specification for fire clay. ([Washington, Govt. Print. Off., 1925]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 298 | United States government master specification for clay, fire. ([Washington, Govt. print. off., 1926]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 299 | United States government master specification for fire-clay brick. ([Washington, Govt. Print. Off., 1926]), by United States. Bureau of Standards (page images at HathiTrust) |
| QC100 .U555 no. 299 | United States government master specification for brick, fire-clay. ([Washington, Govt. print. off., 1926]), by United States. Bureau of Standards (page images at HathiTrust) |
