Mass of Things

7.0 g

loonie  mean of 25, assorted years up to and including 2000

7.3 g

twonie  mean of 23, assorted years up to and including 2000

15.5 g

CD  std = 0.49 (n=25), typical pressed audio CD, with 'silk-screen' printing, assorted units up to year 2000

23.9 g

AA cell  average of a few Duracell Alkaline units made about 2001

44.6 g

9V battery  average of a few Duracell Alkaline units made about 2000

55.2 g

yo-yo  "Canada Games PRO Top", wooden unit made in Sweden, with string

67 g

CD 'jewel' case  with no paper/card inserts; one audio case, measured once

115 g

Calculator  HP 15C with battery

119.6 g

Calculator  HP 32S II with battery

240 g

Pocket Camera  Nikon ZOOM 310 AF 35mm, with battery and film

246 g

Cordless Phone handset  Nortel unit, made about 1996

275 g

Li-ion Camcorder Battery  (7.2V4.05Ah) 1996 Sony unit; this is 106 Wh/kg (say at least 90 Wh/kg useable)

352.7 g

Pocket Camera  Canon S10 digital, with memory card, backup cell, main rechargeable battery and wrist strap

403 g

ceramic coffee mug

471.4 g

440 ml Can of Beer  average of two cans of Double Diamond in 2000 (471.3g & 471.5g)

1.00 kg

Sony TRV81 Hi-8 camcorder (less battery pack and tape)

2.75 kg

64th Edition CRC handbook

3.45 kg

IBM ThinkPad 770 (CD-ROM drive loaded)