Laboratory notebook

MS

Notebook, 8" x 12½", with hard red-brown marbled cover and red spine, includes:

pp.1-2 compressions of compounds under hydraulic press: table noting compound, pressure, time, die used and remarks

p.3 compressions of lead at ordinary and -80° temperature: table noting temperature, pressure, size of shot, size of die and remarks

pp.4-5 notes on compressions of lead

pp.6-7 notes on compressions of bismuth, cadmium, tin, silver, arsenic, antimony and fusible alloy

pp.8-11 notes on compressions of lead, including compression of lead into wire

pp.12-19 blank

pp.20-23 compressions of lead: tables noting treatment, shape of faces, pressure, time, results and remarks

p.24 breaking strain of metals in pounds at 15°C and - C

p.25 blank

pp.26-7 notes on compressions of water

pp.28-31 notes on compressions of water, air and gases

pp.32-3 notes on compressions of benzol

pp.34-37 notes on compression of water

p.38 compressibility per unit volume per atmosphere x 106 for various substances including ether, water and lead

p.39 results of elongation of metals 15°C & -182°C in old experiments; breaking stresses of metals, 15°C & -182°C (old experiments); note [by Dewar] on compression of water.

pp.40-41 blank

pp.42-45 breaking stresses of metal wires, 1/10" diameter, 1" long between clips, in lbs: table noting name and description of wire, breaking pressure at 15°C and -182°C, elongation at 15°C and -182°C, and remarks.

pp.46-51 breaking stress in lbs and elongations in parts of 1 inch at 15°c and -182°C of metals turned from rods: table noting name of metal, dimensions, breaking pressures, elongation and remarks

pp.52-55 blank

pp.56-65 breaking stress in lbs and elongation in parts of 1", of turned test pieces of various substances: table noting name of substance, dimensions, breaking pressures at 15°C and -182°C, elongation at 15°C and -182°C, and remarks.

pp.66-69 blank

pp.70-71 breaking stresses of turned test pieces broken in small hydraulic press or in testing machine; tables noting name of metal, diameter and length, elongation, breaking pressure in lbs and in tons per sq.inch.

p.71 note on result of subjecting 1½" die to pressure tensile strength in tons per sq inch of metals at 15°C and -182°C. Table noting tensile strengths and percentage increase of strength at -182°C.

p.73 elongation of metals listed on p.72. Table noting elongation at 15°C and -182°C and percentage increase or decrease of elongation at -182°C.

p.74 heading only for tensile strength table

pp.75-81 blank

p.82 breaking pressures of metal test bars broken in hydraulic press and testing machine: table noting names of metals, breaking pressures in atmospheres and in tons per square inch for the press at 15°C and -182°C, breaking pressures in lbs and in tons per sq inch for machine at 15°C and -182°C; with note of mean differences between the two machines at 15°C and -182°C

p.83 table[by Dewar] of results of trial of Hadfield test bars in hydraulic press, noting diameters, breaking pressures at 15°C and -182°C and elongation at 15°C and -182°C; notes on tensile strength of steel test bars broken in small hydraulic press and of aluminium test bars, 1/5" diameter, at 300 C.

pp.84-90 July & August 1903, Hadfield's steel test bars. Table noting number and mark of bar, diameter, breaking pressures at 15°C and -182°C, elongation at 15°C and -182°C, breaking pressures in tons per square inch at 15°C and -182°C, and percentage elongation at 15°C and -182°C.

p.91 notes on compressions of lead cylinders and of 1½" steel die

pp.92-96 compression of benzol

p.97 compression of ether

pp.98-101 compression of gases

p.102 compression of solid CO2 and of uranium acetate

p.103 compressions of charcoal

pp.104-5 Feb. 1904: Hadfield's steel test bars. Table noting number and mark of bar, diameter, breaking strength at 15°C and -182°C, elongation at 15°C and -182°C, breaking strenghth in tons per square inch at 15°C and -182°C, percentage elongation at 15 C and -182 C inserted between pp.104-5, note [by Dewar] on compressibility of various substances and graph [?Dewar] of breaking stress

pp.106-7 March 1904: Hadfield's steel test bars. Table noting number and mark of bar, diameter, breaking strength at 15°C and -182°C, elongation at 15°C and -182°C, breaking strengths in tons per square inch, and percentage elongation at 15°C and 182°C.

pp.108-113 April 1904: Hadfield's "Ball test" experiments; includes experiments heating steel bars and quenching in liquid air, then testing for tensile strength at 15° C; tests to see whether wire and samples of steel were magnetic at -182° C; tests to see whether rods of steel became brittle at -182°C

p.114 Hadfield's steel bars, 5 May 1904: contraction of bars after cooling to temperature of liquid air.

pp.108-113 April 1904: Hadfield's Ball test" experiments; includes experiments heating steel bars and quenching in liquid air, then testing for tensile strength at 15°C; tests to see whether wire and samples of steel were magnetic at -182°C; tests to see whether rods of steel became brittle at -182°C

p.114 Hadfield's steel bars, 5 May 1904: contraction of bars after cooling to temperature of liquid air.

p.115 blank

pp.116-8 Hadfield's test bars, May 1904. Table noting number and mark of bar, diameter, breaking strengths in atmosphere atmospheres at 15°C and -182°C, elongation at 15°C and 182°C, tensile strengths in tons per square inch, percentage elongation at 15°C and -182°C

p.119 Hadfield's three steel test bars, July 1904: table giving same details as pp.116-8, and notes on test of two iron test bars, August 1904.

pp.120-21 notes on compression of 1½" steel die, with diagrams

pp.122-8 blank

pp.129-33 list of equipment (crossed out)

p.134 blank

p.135 index (crossed out) - for first 6 pages only.

p.136 blank

Inside back page: notes on equipment and on hydraulic press.